457331231 has 4 divisors (see below), whose sum is σ = 522664272. Its totient is φ = 391998192.

The previous prime is 457331207. The next prime is 457331239. The reversal of 457331231 is 132133754.

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

It is a cyclic number.

It is not a de Polignac number, because 457331231 - 2¹⁰ = 457330207 is a prime.

It is a super-2 number, since 2×457331231² = 418303709695950722, 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 = 457331194 and 457331203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457331239) 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, 32666510 + ... + 32666523.

It is an arithmetic number, because the mean of its divisors is an integer number (130666068).

Almost surely, 2^457331231 is an apocalyptic number.

457331231 is a deficient number, since it is larger than the sum of its proper divisors (65333041).

457331231 is an equidigital number, since it uses as much as digits as its factorization.

457331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65333040.

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

The square root of 457331231 is about 21385.3040894910. The cubic root of 457331231 is about 770.4485108369.

Adding to 457331231 its reverse (132133754), we get a palindrome (589464985).

It can be divided in two parts, 45733 and 1231, that added together give a palindrome (46964).

The spelling of 457331231 in words is "four hundred fifty-seven million, three hundred thirty-one thousand, two hundred thirty-one".