31023210012104 has 16 divisors (see below), whose sum is σ = 58172255181900. Its totient is φ = 15510608630272.

The previous prime is 31023210012097. The next prime is 31023210012163. The reversal of 31023210012104 is 40121001232013.

It can be written as a sum of positive squares in 2 ways, for example, as 28017945067204 + 3005264944900 = 5293198^2 + 1733570^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124414637 + ... + 124663740.

Almost surely, 2^{31023210012104} is an apocalyptic number.

It is an amenable number.

31023210012104 is a deficient number, since it is larger than the sum of its proper divisors (27149045169796).

31023210012104 is a wasteful number, since it uses less digits than its factorization.

31023210012104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249093952 (or 249093948 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31023210012104 its reverse (40121001232013), we get a palindrome (71144211244117).

The spelling of 31023210012104 in words is "thirty-one trillion, twenty-three billion, two hundred ten million, twelve thousand, one hundred four".