313133404 has 12 divisors (see below), whose sum is σ = 580217904. Its totient is φ = 147356864.

The previous prime is 313133393. The next prime is 313133407. The reversal of 313133404 is 404331313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313133407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2302384 + ... + 2302519.

It is an arithmetic number, because the mean of its divisors is an integer number (48351492).

Almost surely, 2^313133404 is an apocalyptic number.

313133404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

313133404 is a deficient number, since it is larger than the sum of its proper divisors (267084500).

313133404 is a wasteful number, since it uses less digits than its factorization.

313133404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604924 (or 4604922 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 313133404 is about 17695.5758312636. The cubic root of 313133404 is about 679.0625808566.

Adding to 313133404 its reverse (404331313), we get a palindrome (717464717).

The spelling of 313133404 in words is "three hundred thirteen million, one hundred thirty-three thousand, four hundred four".