264313331 has 6 divisors (see below), whose sum is σ = 280776060. Its totient is φ = 248765216.

The previous prime is 264313327. The next prime is 264313367. The reversal of 264313331 is 133313462.

It is a happy number.

It is not a de Polignac number, because 264313331 - 2² = 264313327 is a prime.

It is a super-2 number, since 2×264313331² = 139723073888631122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264313331.

It is not an unprimeable number, because it can be changed into a prime (264313321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457001 + ... + 457578.

It is an arithmetic number, because the mean of its divisors is an integer number (46796010).

Almost surely, 2^264313331 is an apocalyptic number.

264313331 is a deficient number, since it is larger than the sum of its proper divisors (16462729).

264313331 is an equidigital number, since it uses as much as digits as its factorization.

264313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914613 (or 914596 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

The square root of 264313331 is about 16257.7160450046. The cubic root of 264313331 is about 641.7605585737.

Adding to 264313331 its reverse (133313462), we get a palindrome (397626793).

The spelling of 264313331 in words is "two hundred sixty-four million, three hundred thirteen thousand, three hundred thirty-one".