312313212031130 has 16 divisors (see below), whose sum is σ = 562163983049160. Its totient is φ = 124925240058432.

The previous prime is 312313212031129. The next prime is 312313212031187. The reversal of 312313212031130 is 31130212313213.

It can be written as a sum of positive squares in 4 ways, for example, as 311907706706281 + 405505324849 = 17660909^2 + 636793^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312313212031130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50481932 + ... + 56329848.

Almost surely, 2^{312313212031130} is an apocalyptic number.

312313212031130 is a deficient number, since it is larger than the sum of its proper divisors (249850771018030).

312313212031130 is a wasteful number, since it uses less digits than its factorization.

312313212031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188513.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 312313212031130 its reverse (31130212313213), we get a palindrome (343443424344343).

The spelling of 312313212031130 in words is "three hundred twelve trillion, three hundred thirteen billion, two hundred twelve million, thirty-one thousand, one hundred thirty".