2316251813 has 2 divisors, whose sum is σ = 2316251814. Its totient is φ = 2316251812.

The previous prime is 2316251767. The next prime is 2316251857. The reversal of 2316251813 is 3181526132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2237006209 + 79245604 = 47297^2 + 8902^2 .

It is a cyclic number.

It is not a de Polignac number, because 2316251813 - 2¹⁰ = 2316250789 is a prime.

It is a super-2 number, since 2×2316251813² = 10730044922451573938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2316251813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2316751813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158125906 + 1158125907.

It is an arithmetic number, because the mean of its divisors is an integer number (1158125907).

Almost surely, 2^2316251813 is an apocalyptic number.

It is an amenable number.

2316251813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2316251813 is an equidigital number, since it uses as much as digits as its factorization.

2316251813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 2316251813 is about 48127.4538387395. The cubic root of 2316251813 is about 1323.1078844422.

Adding to 2316251813 its reverse (3181526132), we get a palindrome (5497777945).

The spelling of 2316251813 in words is "two billion, three hundred sixteen million, two hundred fifty-one thousand, eight hundred thirteen".