313133320 has 32 divisors (see below), whose sum is σ = 705072600. Its totient is φ = 125160448.

The previous prime is 313133311. The next prime is 313133321. The reversal of 313133320 is 23331313.

It can be written as a sum of positive squares in 4 ways, for example, as 257987844 + 55145476 = 16062^2 + 7426^2 .

It is not an unprimeable number, because it can be changed into a prime (313133321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83322 + ... + 86998.

Almost surely, 2^313133320 is an apocalyptic number.

It is an amenable number.

313133320 is an abundant number, since it is smaller than the sum of its proper divisors (391939280).

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

313133320 is a wasteful number, since it uses less digits than its factorization.

313133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817 (or 5813 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 313133320 is about 17695.5734577888. The cubic root of 313133320 is about 679.0625201357.

Adding to 313133320 its reverse (23331313), we get a palindrome (336464633).

The spelling of 313133320 in words is "three hundred thirteen million, one hundred thirty-three thousand, three hundred twenty".