31077851108 has 12 divisors (see below), whose sum is σ = 55197974832. Its totient is φ = 15307001160.

The previous prime is 31077851093. The next prime is 31077851143. The reversal of 31077851108 is 80115877013.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57980798 + ... + 57981333.

It is an arithmetic number, because the mean of its divisors is an integer number (4599831236).

Almost surely, 2^31077851108 is an apocalyptic number.

It is an amenable number.

31077851108 is a deficient number, since it is larger than the sum of its proper divisors (24120123724).

31077851108 is a wasteful number, since it uses less digits than its factorization.

31077851108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115962202 (or 115962200 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 41.

The spelling of 31077851108 in words is "thirty-one billion, seventy-seven million, eight hundred fifty-one thousand, one hundred eight".