31241896137 has 12 divisors (see below), whose sum is σ = 47502298480. Its totient is φ = 19731723768.

The previous prime is 31241896129. The next prime is 31241896139. The reversal of 31241896137 is 73169814213.

31241896137 is a `hidden beast` number, since 3 + 1 + 24 + 1 + 8 + 9 + 613 + 7 = 666.

It is not a de Polignac number, because 31241896137 - 2³ = 31241896129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31241896092 and 31241896101.

It is not an unprimeable number, because it can be changed into a prime (31241896139) 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, 91350403 + ... + 91350744.

Almost surely, 2^31241896137 is an apocalyptic number.

It is an amenable number.

31241896137 is a deficient number, since it is larger than the sum of its proper divisors (16260402343).

31241896137 is a wasteful number, since it uses less digits than its factorization.

31241896137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182701172 (or 182701169 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 31241896137 in words is "thirty-one billion, two hundred forty-one million, eight hundred ninety-six thousand, one hundred thirty-seven".