3131131301312 has 28 divisors (see below), whose sum is σ = 7100958487920. Its totient is φ = 1341913414656.

The previous prime is 3131131301251. The next prime is 3131131301357. The reversal of 3131131301312 is 2131031311313.

It is a tau number, because it is divible by the number of its divisors (28).

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, 3494565737 + ... + 3494566632.

Almost surely, 2^{3131131301312} is an apocalyptic number.

3131131301312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3131131301312 is an abundant number, since it is smaller than the sum of its proper divisors (3969827186608).

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

3131131301312 is an equidigital number, since it uses as much as digits as its factorization.

3131131301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989132388 (or 6989132378 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 3131131301312 its reverse (2131031311313), we get a palindrome (5262162612625).

The spelling of 3131131301312 in words is "three trillion, one hundred thirty-one billion, one hundred thirty-one million, three hundred one thousand, three hundred twelve".