31612512230 has 32 divisors (see below), whose sum is σ = 61329489984. Its totient is φ = 11662816896.

The previous prime is 31612512209. The next prime is 31612512293. The reversal of 31612512230 is 3221521613.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 31612512230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62519 + ... + 259101.

It is an arithmetic number, because the mean of its divisors is an integer number (1916546562).

Almost surely, 2^31612512230 is an apocalyptic number.

31612512230 is a deficient number, since it is larger than the sum of its proper divisors (29716977754).

31612512230 is a wasteful number, since it uses less digits than its factorization.

31612512230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197840.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 31612512230 in words is "thirty-one billion, six hundred twelve million, five hundred twelve thousand, two hundred thirty".