31663093707 has 12 divisors (see below), whose sum is σ = 52269234160. Its totient is φ = 18093196368.

The previous prime is 31663093703. The next prime is 31663093711. The reversal of 31663093707 is 70739036613.

31663093707 is a `hidden beast` number, since 3 + 1 + 6 + 630 + 9 + 3 + 7 + 0 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (31663093703) and next prime (31663093711).

It is not a de Polignac number, because 31663093707 - 2² = 31663093703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31663093703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251294332 + ... + 251294457.

Almost surely, 2^31663093707 is an apocalyptic number.

31663093707 is a deficient number, since it is larger than the sum of its proper divisors (20606140453).

31663093707 is a wasteful number, since it uses less digits than its factorization.

31663093707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502588802 (or 502588799 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 45.

The spelling of 31663093707 in words is "thirty-one billion, six hundred sixty-three million, ninety-three thousand, seven hundred seven".