31968226402356 has 48 divisors (see below), whose sum is σ = 77168351836800. Its totient is φ = 10288135600512.

The previous prime is 31968226402349. The next prime is 31968226402363. The reversal of 31968226402356 is 65320462286913.

It is an interprime number because it is at equal distance from previous prime (31968226402349) and next prime (31968226402363).

It is a junction number, because it is equal to n+sod(n) for n = 31968226402296 and 31968226402305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5185350 + ... + 9530178.

It is an arithmetic number, because the mean of its divisors is an integer number (1607673996600).

Almost surely, 2^{31968226402356} is an apocalyptic number.

It is an amenable number.

31968226402356 is an abundant number, since it is smaller than the sum of its proper divisors (45200125434444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31968226402356 is a wasteful number, since it uses less digits than its factorization.

31968226402356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366008 (or 4366006 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 57.

The spelling of 31968226402356 in words is "thirty-one trillion, nine hundred sixty-eight billion, two hundred twenty-six million, four hundred two thousand, three hundred fifty-six".