313013331 has 12 divisors (see below), whose sum is σ = 452284560. Its totient is φ = 208604400.

The previous prime is 313013329. The next prime is 313013339. The reversal of 313013331 is 133310313.

313013331 is a `hidden beast` number, since 31 + 301 + 3 + 331 = 666.

It is not a de Polignac number, because 313013331 - 2¹ = 313013329 is a prime.

It is a super-2 number, since 2×313013331² = 195954690767431122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313013339) 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, 44506 + ... + 51056.

It is an arithmetic number, because the mean of its divisors is an integer number (37690380).

Almost surely, 2^313013331 is an apocalyptic number.

313013331 is a deficient number, since it is larger than the sum of its proper divisors (139271229).

313013331 is a wasteful number, since it uses less digits than its factorization.

313013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11866 (or 11863 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 313013331 is about 17692.1827652780. The cubic root of 313013331 is about 678.9757728014.

Adding to 313013331 its reverse (133310313), we get a palindrome (446323644).

It can be divided in two parts, 3130 and 13331, that added together give a palindrome (16461).

The spelling of 313013331 in words is "three hundred thirteen million, thirteen thousand, three hundred thirty-one".