312230012131331 has 16 divisors (see below), whose sum is σ = 377873475600384. Its totient is φ = 251850419593344.

The previous prime is 312230012131291. The next prime is 312230012131421. The reversal of 312230012131331 is 133131210032213.

It is a cyclic number.

It is not a de Polignac number, because 312230012131331 - 2³⁴ = 312212832262147 is a prime.

It is a super-2 number, since 2×312230012131331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312230012131331.

It is not an unprimeable number, because it can be changed into a prime (312230012136331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168948995 + ... + 170787068.

It is an arithmetic number, because the mean of its divisors is an integer number (23617092225024).

Almost surely, 2^{312230012131331} is an apocalyptic number.

312230012131331 is a deficient number, since it is larger than the sum of its proper divisors (65643463469053).

312230012131331 is a wasteful number, since it uses less digits than its factorization.

312230012131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339743810.

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

Adding to 312230012131331 its reverse (133131210032213), we get a palindrome (445361222163544).

The spelling of 312230012131331 in words is "three hundred twelve trillion, two hundred thirty billion, twelve million, one hundred thirty-one thousand, three hundred thirty-one".