2312013212131 has 16 divisors (see below), whose sum is σ = 2647153994688. Its totient is φ = 1978088284800.

The previous prime is 2312013212063. The next prime is 2312013212209. The reversal of 2312013212131 is 1312123102132.

It is a cyclic number.

It is not a de Polignac number, because 2312013212131 - 2¹⁹ = 2312012687843 is a prime.

It is a super-2 number, since 2×2312013212131² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2312013210131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10880241 + ... + 11090701.

It is an arithmetic number, because the mean of its divisors is an integer number (165447124668).

Almost surely, 2^{2312013212131} is an apocalyptic number.

2312013212131 is a deficient number, since it is larger than the sum of its proper divisors (335140782557).

2312013212131 is a wasteful number, since it uses less digits than its factorization.

2312013212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213342.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2312013212131 its reverse (1312123102132), we get a palindrome (3624136314263).

The spelling of 2312013212131 in words is "two trillion, three hundred twelve billion, thirteen million, two hundred twelve thousand, one hundred thirty-one".