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313222113013 = 1369912286443
BaseRepresentation
bin1001000111011010111…
…11100010011011110101
31002221110222122221222111
410203231133202123311
520112434330104023
6355520420531021
731425636013645
oct4435537423365
91087428587874
10313222113013
11110922798527
1250855550a71
13236c922aa14
14112351a8525
15823338700d
hex48ed7e26f5

313222113013 has 4 divisors (see below), whose sum is σ = 313224536448. Its totient is φ = 313219689580.

The previous prime is 313222112977. The next prime is 313222113059. The reversal of 313222113013 is 310311222313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-313222113013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313222113613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006231 + ... + 1280212.

It is an arithmetic number, because the mean of its divisors is an integer number (78306134112).

Almost surely, 2313222113013 is an apocalyptic number.

It is an amenable number.

313222113013 is a deficient number, since it is larger than the sum of its proper divisors (2423435).

313222113013 is a wasteful number, since it uses less digits than its factorization.

313222113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423434.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313222113013 its reverse (310311222313), we get a palindrome (623533335326).

The spelling of 313222113013 in words is "three hundred thirteen billion, two hundred twenty-two million, one hundred thirteen thousand, thirteen".

Divisors: 1 136991 2286443 313222113013