2316315493 has 2 divisors, whose sum is σ = 2316315494. Its totient is φ = 2316315492.

The previous prime is 2316315451. The next prime is 2316315499. The reversal of 2316315493 is 3945136132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2173704129 + 142611364 = 46623^2 + 11942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2316315493 is a prime.

It is a super-2 number, since 2×2316315493² = 10730634926223666098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2316315499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158157746 + 1158157747.

It is an arithmetic number, because the mean of its divisors is an integer number (1158157747).

Almost surely, 2^2316315493 is an apocalyptic number.

It is an amenable number.

2316315493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2316315493 is an equidigital number, since it uses as much as digits as its factorization.

2316315493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 37.

The square root of 2316315493 is about 48128.1154108490. The cubic root of 2316315493 is about 1323.1200095973.

The spelling of 2316315493 in words is "two billion, three hundred sixteen million, three hundred fifteen thousand, four hundred ninety-three".