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331220023130123 = 1625932037111211
BaseRepresentation
bin100101101001111100010101…
…1110100100011100000001011
31121102202022202220101212010122
41023103320223310203200023
5321403202101410130443
63132240213353133455
7126523566641523101
oct11323705364434013
91542668686355118
10331220023130123
119659a694194696
12311947ab6ba28b
13112a7bb654474a
145bb11c56d3c71
152845bd610c968
hex12d3e2bd2380b

331220023130123 has 4 divisors (see below), whose sum is σ = 331222060403928. Its totient is φ = 331217985856320.

The previous prime is 331220023130111. The next prime is 331220023130149. The reversal of 331220023130123 is 321031320022133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331220023130123 - 214 = 331220023113739 is a prime.

It is a super-3 number, since 3×3312200231301233 (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331220023130092 and 331220023130101.

It is not an unprimeable number, because it can be changed into a prime (331220023130923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018393013 + ... + 1018718198.

It is an arithmetic number, because the mean of its divisors is an integer number (82805515100982).

Almost surely, 2331220023130123 is an apocalyptic number.

331220023130123 is a deficient number, since it is larger than the sum of its proper divisors (2037273805).

331220023130123 is a wasteful number, since it uses less digits than its factorization.

331220023130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037273804.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 331220023130123 its reverse (321031320022133), we get a palindrome (652251343152256).

The spelling of 331220023130123 in words is "three hundred thirty-one trillion, two hundred twenty billion, twenty-three million, one hundred thirty thousand, one hundred twenty-three".

Divisors: 1 162593 2037111211 331220023130123