2312122931 has 2 divisors, whose sum is σ = 2312122932. Its totient is φ = 2312122930.

The previous prime is 2312122921. The next prime is 2312122937. The reversal of 2312122931 is 1392212132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312122931 is a prime.

It is a super-2 number, since 2×2312122931² = 10691824896112061522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2312122931.

It is not a weakly prime, because it can be changed into another prime (2312122937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156061465 + 1156061466.

It is an arithmetic number, because the mean of its divisors is an integer number (1156061466).

Almost surely, 2^2312122931 is an apocalyptic number.

2312122931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312122931 is an equidigital number, since it uses as much as digits as its factorization.

2312122931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 2312122931 is about 48084.5394175716. The cubic root of 2312122931 is about 1322.3212391746.

The spelling of 2312122931 in words is "two billion, three hundred twelve million, one hundred twenty-two thousand, nine hundred thirty-one".