31312230012104 has 32 divisors (see below), whose sum is σ = 59976326430720. Its totient is φ = 15318728931456.

The previous prime is 31312230012061. The next prime is 31312230012131. The reversal of 31312230012104 is 40121003221313.

It is a self number, because there is not a number n which added to its sum of digits gives 31312230012104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10273949 + ... + 12968364.

It is an arithmetic number, because the mean of its divisors is an integer number (1874260200960).

Almost surely, 2^{31312230012104} is an apocalyptic number.

It is an amenable number.

31312230012104 is a deficient number, since it is larger than the sum of its proper divisors (28664096418616).

31312230012104 is a wasteful number, since it uses less digits than its factorization.

31312230012104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23245949 (or 23245945 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31312230012104 its reverse (40121003221313), we get a palindrome (71433233233417).

The spelling of 31312230012104 in words is "thirty-one trillion, three hundred twelve billion, two hundred thirty million, twelve thousand, one hundred four".