31211012406002 has 64 divisors (see below), whose sum is σ = 57202952526720. Its totient is φ = 12581293939200.

The previous prime is 31211012405999. The next prime is 31211012406047. The reversal of 31211012406002 is 20060421011213.

It is a super-2 number, since 2×31211012406002² (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, 20052227 + ... + 21552582.

It is an arithmetic number, because the mean of its divisors is an integer number (893796133230).

Almost surely, 2^{31211012406002} is an apocalyptic number.

31211012406002 is a deficient number, since it is larger than the sum of its proper divisors (25991940120718).

31211012406002 is a wasteful number, since it uses less digits than its factorization.

31211012406002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41604939.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31211012406002 its reverse (20060421011213), we get a palindrome (51271433417215).

The spelling of 31211012406002 in words is "thirty-one trillion, two hundred eleven billion, twelve million, four hundred six thousand, two".