2313431251 has 2 divisors, whose sum is σ = 2313431252. Its totient is φ = 2313431250.

The previous prime is 2313431231. The next prime is 2313431257. The reversal of 2313431251 is 1521343132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2313431251 - 2²³ = 2305042643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2313431257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156715625 + 1156715626.

It is an arithmetic number, because the mean of its divisors is an integer number (1156715626).

Almost surely, 2^2313431251 is an apocalyptic number.

2313431251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313431251 is an equidigital number, since it uses as much as digits as its factorization.

2313431251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 2313431251 is about 48098.1418663965. The cubic root of 2313431251 is about 1322.5706049690.

Adding to 2313431251 its reverse (1521343132), we get a palindrome (3834774383).

The spelling of 2313431251 in words is "two billion, three hundred thirteen million, four hundred thirty-one thousand, two hundred fifty-one".