3131996958 has 24 divisors (see below), whose sum is σ = 6814160496. Its totient is φ = 1039665600.

The previous prime is 3131996899. The next prime is 3131996969. The reversal of 3131996958 is 8596991313.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 356658 + ... + 365333.

It is an arithmetic number, because the mean of its divisors is an integer number (283923354).

Almost surely, 2^3131996958 is an apocalyptic number.

3131996958 is an abundant number, since it is smaller than the sum of its proper divisors (3682163538).

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

3131996958 is a wasteful number, since it uses less digits than its factorization.

3131996958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722240 (or 722237 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 3131996958 is about 55964.2471404735. The cubic root of 3131996958 is about 1463.0992146363.

The spelling of 3131996958 in words is "three billion, one hundred thirty-one million, nine hundred ninety-six thousand, nine hundred fifty-eight".