2312130311831 has 2 divisors, whose sum is σ = 2312130311832. Its totient is φ = 2312130311830.

The previous prime is 2312130311797. The next prime is 2312130311833. The reversal of 2312130311831 is 1381130312132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2312130311831 - 2⁶ = 2312130311767 is a prime.

It is a super-2 number, since 2×2312130311831² (a number of 26 digits) contains 22 as substring.

Together with 2312130311833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2312130311794 and 2312130311803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312130311833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156065155915 + 1156065155916.

It is an arithmetic number, because the mean of its divisors is an integer number (1156065155916).

Almost surely, 2^{2312130311831} is an apocalyptic number.

2312130311831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312130311831 is an equidigital number, since it uses as much as digits as its factorization.

2312130311831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 2312130311831 its reverse (1381130312132), we get a palindrome (3693260623963).

The spelling of 2312130311831 in words is "two trillion, three hundred twelve billion, one hundred thirty million, three hundred eleven thousand, eight hundred thirty-one".