3131134121012 has 12 divisors (see below), whose sum is σ = 5479813079076. Its totient is φ = 1565473241280.

The previous prime is 3131134120997. The next prime is 3131134121041. The reversal of 3131134121012 is 2101214311313.

It can be written as a sum of positive squares in 2 ways, for example, as 545225699236 + 2585908421776 = 738394^2 + 1608076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23379689 + ... + 23513232.

It is an arithmetic number, because the mean of its divisors is an integer number (456651089923).

Almost surely, 2^{3131134121012} is an apocalyptic number.

It is an amenable number.

3131134121012 is a deficient number, since it is larger than the sum of its proper divisors (2348678958064).

3131134121012 is a wasteful number, since it uses less digits than its factorization.

3131134121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46909618 (or 46909616 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 3131134121012 its reverse (2101214311313), we get a palindrome (5232348432325).

The spelling of 3131134121012 in words is "three trillion, one hundred thirty-one billion, one hundred thirty-four million, one hundred twenty-one thousand, twelve".