31020102113012 has 24 divisors (see below), whose sum is σ = 54569236934016. Its totient is φ = 15428899772928.

The previous prime is 31020102113003. The next prime is 31020102113027. The reversal of 31020102113012 is 21031120102013.

It is a congruent number.

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, 14240453 + ... + 16273619.

It is an arithmetic number, because the mean of its divisors is an integer number (2273718205584).

Almost surely, 2^{31020102113012} is an apocalyptic number.

It is an amenable number.

31020102113012 is a deficient number, since it is larger than the sum of its proper divisors (23549134821004).

31020102113012 is a wasteful number, since it uses less digits than its factorization.

31020102113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053127 (or 2053125 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31020102113012 its reverse (21031120102013), we get a palindrome (52051222215025).

The spelling of 31020102113012 in words is "thirty-one trillion, twenty billion, one hundred two million, one hundred thirteen thousand, twelve".