264307831 has 12 divisors (see below), whose sum is σ = 271524288. Its totient is φ = 257254272.

The previous prime is 264307819. The next prime is 264307859. The reversal of 264307831 is 138703462.

It is a happy number.

264307831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264307831 - 2⁹ = 264307319 is a prime.

It is a super-2 number, since 2×264307831² = 139717259055849122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264307861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 435130 + ... + 435736.

It is an arithmetic number, because the mean of its divisors is an integer number (22627024).

Almost surely, 2^264307831 is an apocalyptic number.

264307831 is a deficient number, since it is larger than the sum of its proper divisors (7216457).

264307831 is an frugal number, since it uses more digits than its factorization.

264307831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 264307831 is about 16257.5468936737. The cubic root of 264307831 is about 641.7561071555.

The spelling of 264307831 in words is "two hundred sixty-four million, three hundred seven thousand, eight hundred thirty-one".