7312553431 has 2 divisors, whose sum is σ = 7312553432. Its totient is φ = 7312553430.

The previous prime is 7312553411. The next prime is 7312553449. The reversal of 7312553431 is 1343552137.

It is a strong prime.

It is an emirp because it is prime and its reverse (1343552137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7312553431 - 2²³ = 7304164823 is a prime.

It is a super-2 number, since 2×7312553431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312553411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3656276715 + 3656276716.

It is an arithmetic number, because the mean of its divisors is an integer number (3656276716).

Almost surely, 2^7312553431 is an apocalyptic number.

7312553431 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312553431 is an equidigital number, since it uses as much as digits as its factorization.

7312553431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The square root of 7312553431 is about 85513.4692957782. The cubic root of 7312553431 is about 1940.9887466155.

The spelling of 7312553431 in words is "seven billion, three hundred twelve million, five hundred fifty-three thousand, four hundred thirty-one".