31002021211012 has 48 divisors (see below), whose sum is σ = 54427500288000. Its totient is φ = 15451402730400.

The previous prime is 31002021211009. The next prime is 31002021211033. The reversal of 31002021211012 is 21011212020013.

It is a super-2 number, since 2×31002021211012² (a number of 28 digits) contains 22 as substring.

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, 6608827587 + ... + 6608832277.

It is an arithmetic number, because the mean of its divisors is an integer number (1133906256000).

Almost surely, 2^{31002021211012} is an apocalyptic number.

It is an amenable number.

31002021211012 is a deficient number, since it is larger than the sum of its proper divisors (23425479076988).

31002021211012 is a wasteful number, since it uses less digits than its factorization.

31002021211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752 (or 8750 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31002021211012 its reverse (21011212020013), we get a palindrome (52013233231025).

The spelling of 31002021211012 in words is "thirty-one trillion, two billion, twenty-one million, two hundred eleven thousand, twelve".