31911854048196 has 96 divisors (see below), whose sum is σ = 81693761200128. Its totient is φ = 9651769121280.

The previous prime is 31911854048147. The next prime is 31911854048257. The reversal of 31911854048196 is 69184045811913.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7930230 + ... + 11256653.

It is an arithmetic number, because the mean of its divisors is an integer number (850976679168).

Almost surely, 2^{31911854048196} is an apocalyptic number.

It is an amenable number.

31911854048196 is an abundant number, since it is smaller than the sum of its proper divisors (49781907151932).

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

31911854048196 is a wasteful number, since it uses less digits than its factorization.

31911854048196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19187201 (or 19187199 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 31911854048196 in words is "thirty-one trillion, nine hundred eleven billion, eight hundred fifty-four million, forty-eight thousand, one hundred ninety-six".