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2011331120131 = 3787153110061
BaseRepresentation
bin11101010001001100101…
…011010100110000000011
321010021121010100101122001
4131101030223110300003
5230423201231321011
64135554234124431
7265212442302514
oct35211453246003
97107533311561
102011331120131
11706000a89083
12285986880717
1311788ac64598
146d4c5714a0b
15374bcb767c1
hex1d44cad4c03

2011331120131 has 4 divisors (see below), whose sum is σ = 2011384268064. Its totient is φ = 2011277972200.

The previous prime is 2011331120111. The next prime is 2011331120137. The reversal of 2011331120131 is 1310211331102.

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 2011331120131 - 231 = 2009183636483 is a prime.

It is a super-2 number, since 2×20113311201312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011331120099 and 2011331120108.

It is not an unprimeable number, because it can be changed into a prime (2011331120137) 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, 26517160 + ... + 26592901.

It is an arithmetic number, because the mean of its divisors is an integer number (502846067016).

Almost surely, 22011331120131 is an apocalyptic number.

2011331120131 is a deficient number, since it is larger than the sum of its proper divisors (53147933).

2011331120131 is an equidigital number, since it uses as much as digits as its factorization.

2011331120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53147932.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2011331120131 its reverse (1310211331102), we get a palindrome (3321542451233).

The spelling of 2011331120131 in words is "two trillion, eleven billion, three hundred thirty-one million, one hundred twenty thousand, one hundred thirty-one".

Divisors: 1 37871 53110061 2011331120131