31022103928812 has 24 divisors (see below), whose sum is σ = 72512123434800. Its totient is φ = 10322527842816.

The previous prime is 31022103928793. The next prime is 31022103928847. The reversal of 31022103928812 is 21882930122013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271676237 + ... + 2271689892.

It is an arithmetic number, because the mean of its divisors is an integer number (3021338476450).

Almost surely, 2^{31022103928812} is an apocalyptic number.

It is an amenable number.

31022103928812 is an abundant number, since it is smaller than the sum of its proper divisors (41490019505988).

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

31022103928812 is a wasteful number, since it uses less digits than its factorization.

31022103928812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543366705 (or 4543366703 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 31022103928812 in words is "thirty-one trillion, twenty-two billion, one hundred three million, nine hundred twenty-eight thousand, eight hundred twelve".