3931497317112 has 32 divisors (see below), whose sum is σ = 9828801589200. Its totient is φ = 1310491332864.

The previous prime is 3931497317101. The next prime is 3931497317129. The reversal of 3931497317112 is 2117137941393.

It is a congruent number.

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, 4833564 + ... + 5588052.

Almost surely, 2^{3931497317112} is an apocalyptic number.

It is an amenable number.

3931497317112 is an abundant number, since it is smaller than the sum of its proper divisors (5897304272088).

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

3931497317112 is a wasteful number, since it uses less digits than its factorization.

3931497317112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971615 (or 971611 counting only the distinct ones).

The product of its digits is 857304, while the sum is 51.

The spelling of 3931497317112 in words is "three trillion, nine hundred thirty-one billion, four hundred ninety-seven million, three hundred seventeen thousand, one hundred twelve".