7731364313 has 2 divisors, whose sum is σ = 7731364314. Its totient is φ = 7731364312.

The previous prime is 7731364273. The next prime is 7731364321. The reversal of 7731364313 is 3134631377.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7706732944 + 24631369 = 87788^2 + 4963^2 .

It is a cyclic number.

It is not a de Polignac number, because 7731364313 - 2²⁶ = 7664255449 is a prime.

It is not a weakly prime, because it can be changed into another prime (7731364343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3865682156 + 3865682157.

It is an arithmetic number, because the mean of its divisors is an integer number (3865682157).

Almost surely, 2^7731364313 is an apocalyptic number.

It is an amenable number.

7731364313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7731364313 is an equidigital number, since it uses as much as digits as its factorization.

7731364313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 38.

The square root of 7731364313 is about 87928.1770139698. The cubic root of 7731364313 is about 1977.3583375723.

The spelling of 7731364313 in words is "seven billion, seven hundred thirty-one million, three hundred sixty-four thousand, three hundred thirteen".