3131202323406 has 32 divisors (see below), whose sum is σ = 6304861735200. Its totient is φ = 1036658877056.

The previous prime is 3131202323383. The next prime is 3131202323461. The reversal of 3131202323406 is 6043232021313.

3131202323406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 14011660 + ... + 14233376.

It is an arithmetic number, because the mean of its divisors is an integer number (197026929225).

Almost surely, 2^{3131202323406} is an apocalyptic number.

3131202323406 is an abundant number, since it is smaller than the sum of its proper divisors (3173659411794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131202323406 is a wasteful number, since it uses less digits than its factorization.

3131202323406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237668.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 3131202323406 its reverse (6043232021313), we get a palindrome (9174434344719).

The spelling of 3131202323406 in words is "three trillion, one hundred thirty-one billion, two hundred two million, three hundred twenty-three thousand, four hundred six".