231057464 has 16 divisors (see below), whose sum is σ = 472617720. Its totient is φ = 105026080.

The previous prime is 231057457. The next prime is 231057467. The reversal of 231057464 is 464750132.

It is a super-2 number, since 2×231057464² = 106775103340222592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231057464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231057467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312739 + ... + 1312914.

Almost surely, 2^231057464 is an apocalyptic number.

It is an amenable number.

231057464 is an abundant number, since it is smaller than the sum of its proper divisors (241560256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231057464 is a wasteful number, since it uses less digits than its factorization.

231057464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625670 (or 2625666 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 231057464 is about 15200.5744628287. The cubic root of 231057464 is about 613.6301181284.

The spelling of 231057464 in words is "two hundred thirty-one million, fifty-seven thousand, four hundred sixty-four".