457313231 has 4 divisors (see below), whose sum is σ = 457452264. Its totient is φ = 457174200.

The previous prime is 457313191. The next prime is 457313249. The reversal of 457313231 is 132313754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457313231 is a prime.

It is a super-2 number, since 2×457313231² = 418270782495318722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 457313194 and 457313203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457312231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64460 + ... + 71201.

It is an arithmetic number, because the mean of its divisors is an integer number (114363066).

Almost surely, 2^457313231 is an apocalyptic number.

457313231 is a deficient number, since it is larger than the sum of its proper divisors (139033).

457313231 is a wasteful number, since it uses less digits than its factorization.

457313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139032.

The product of its digits is 7560, while the sum is 29.

The square root of 457313231 is about 21384.8832355943. The cubic root of 457313231 is about 770.4384027328.

Adding to 457313231 its reverse (132313754), we get a palindrome (589626985).

The spelling of 457313231 in words is "four hundred fifty-seven million, three hundred thirteen thousand, two hundred thirty-one".