31248912234 has 32 divisors (see below), whose sum is σ = 65615261184. Its totient is φ = 9902288880.

The previous prime is 31248912221. The next prime is 31248912239. The reversal of 31248912234 is 43221984213.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31248912192 and 31248912201.

It is not an unprimeable number, because it can be changed into a prime (31248912239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672112 + ... + 717099.

It is an arithmetic number, because the mean of its divisors is an integer number (2050476912).

Almost surely, 2^31248912234 is an apocalyptic number.

31248912234 is an abundant number, since it is smaller than the sum of its proper divisors (34366348950).

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

31248912234 is a wasteful number, since it uses less digits than its factorization.

31248912234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389402.

The product of its digits is 82944, while the sum is 39.

The spelling of 31248912234 in words is "thirty-one billion, two hundred forty-eight million, nine hundred twelve thousand, two hundred thirty-four".