3131230312312 has 16 divisors (see below), whose sum is σ = 6014253344400. Its totient is φ = 1527429420480.

The previous prime is 3131230312283. The next prime is 3131230312337. The reversal of 3131230312312 is 2132130321313.

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, 4773216612 + ... + 4773217267.

It is an arithmetic number, because the mean of its divisors is an integer number (375890834025).

Almost surely, 2^{3131230312312} is an apocalyptic number.

It is an amenable number.

3131230312312 is a deficient number, since it is larger than the sum of its proper divisors (2883023032088).

3131230312312 is a wasteful number, since it uses less digits than its factorization.

3131230312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9546433926 (or 9546433922 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3131230312312 its reverse (2132130321313), we get a palindrome (5263360633625).

Subtracting from 3131230312312 its reverse (2132130321313), we obtain a palindrome (999099990999).

The spelling of 3131230312312 in words is "three trillion, one hundred thirty-one billion, two hundred thirty million, three hundred twelve thousand, three hundred twelve".