31021022012002 has 64 divisors (see below), whose sum is σ = 54317312615808. Its totient is φ = 13130550400000.

The previous prime is 31021022011997. The next prime is 31021022012027. The reversal of 31021022012002 is 20021022012013.

It is a happy number.

It is a super-2 number, since 2×31021022012002² (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 31 ways as a sum of consecutive naturals, for example, 54527088 + ... + 55093060.

It is an arithmetic number, because the mean of its divisors is an integer number (848708009622).

Almost surely, 2^{31021022012002} is an apocalyptic number.

31021022012002 is a deficient number, since it is larger than the sum of its proper divisors (23296290603806).

31021022012002 is a wasteful number, since it uses less digits than its factorization.

31021022012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567555.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31021022012002 its reverse (20021022012013), we get a palindrome (51042044024015).

The spelling of 31021022012002 in words is "thirty-one trillion, twenty-one billion, twenty-two million, twelve thousand, two".