7313272931 has 2 divisors, whose sum is σ = 7313272932. Its totient is φ = 7313272930.

The previous prime is 7313272927. The next prime is 7313272949. The reversal of 7313272931 is 1392723137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7313272931 - 2² = 7313272927 is a prime.

It is a super-2 number, since 2×7313272931² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7313272531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656636465 + 3656636466.

It is an arithmetic number, because the mean of its divisors is an integer number (3656636466).

Almost surely, 2^7313272931 is an apocalyptic number.

7313272931 is a deficient number, since it is larger than the sum of its proper divisors (1).

7313272931 is an equidigital number, since it uses as much as digits as its factorization.

7313272931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 38.

The square root of 7313272931 is about 85517.6761318968. The cubic root of 7313272931 is about 1941.0524040695.

The spelling of 7313272931 in words is "seven billion, three hundred thirteen million, two hundred seventy-two thousand, nine hundred thirty-one".