31796321626828 has 12 divisors (see below), whose sum is σ = 60702068560392. Its totient is φ = 14452873466720.

The previous prime is 31796321626789. The next prime is 31796321626847. The reversal of 31796321626828 is 82862612369713.

It is a super-2 number, since 2×31796321626828² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31796321626828.

It is an unprimeable number.

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, 361321836625 + ... + 361321836712.

It is an arithmetic number, because the mean of its divisors is an integer number (5058505713366).

Almost surely, 2^{31796321626828} is an apocalyptic number.

It is an amenable number.

31796321626828 is a deficient number, since it is larger than the sum of its proper divisors (28905746933564).

31796321626828 is a wasteful number, since it uses less digits than its factorization.

31796321626828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722643673352 (or 722643673350 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 64.

The spelling of 31796321626828 in words is "thirty-one trillion, seven hundred ninety-six billion, three hundred twenty-one million, six hundred twenty-six thousand, eight hundred twenty-eight".