457311731 has 2 divisors, whose sum is σ = 457311732. Its totient is φ = 457311730.

The previous prime is 457311697. The next prime is 457311733. The reversal of 457311731 is 137113754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 457311731 - 2⁶ = 457311667 is a prime.

It is a super-2 number, since 2×457311731² = 418268038620432722, which contains 22 as substring.

Together with 457311733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (457311733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228655865 + 228655866.

It is an arithmetic number, because the mean of its divisors is an integer number (228655866).

Almost surely, 2^457311731 is an apocalyptic number.

457311731 is a deficient number, since it is larger than the sum of its proper divisors (1).

457311731 is an equidigital number, since it uses as much as digits as its factorization.

457311731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 32.

The square root of 457311731 is about 21384.8481640623. The cubic root of 457311731 is about 770.4375603788.

The spelling of 457311731 in words is "four hundred fifty-seven million, three hundred eleven thousand, seven hundred thirty-one".