31371137234 has 16 divisors (see below), whose sum is σ = 49716170880. Its totient is φ = 14805173520.

The previous prime is 31371137227. The next prime is 31371137251. The reversal of 31371137234 is 43273117313.

It is a super-2 number, since 2×31371137234² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31371137194 and 31371137203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512869 + ... + 1533464.

It is an arithmetic number, because the mean of its divisors is an integer number (3107260680).

Almost surely, 2^31371137234 is an apocalyptic number.

31371137234 is a deficient number, since it is larger than the sum of its proper divisors (18345033646).

31371137234 is a wasteful number, since it uses less digits than its factorization.

31371137234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046625.

The product of its digits is 31752, while the sum is 35.

The spelling of 31371137234 in words is "thirty-one billion, three hundred seventy-one million, one hundred thirty-seven thousand, two hundred thirty-four".