313421132 has 12 divisors (see below), whose sum is σ = 549454920. Its totient is φ = 156434016.

The previous prime is 313421123. The next prime is 313421137. The reversal of 313421132 is 231124313.

It is a super-2 number, since 2×313421132² = 196465611968322848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313421137) 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, 66578 + ... + 71129.

It is an arithmetic number, because the mean of its divisors is an integer number (45787910).

Almost surely, 2^313421132 is an apocalyptic number.

It is an amenable number.

313421132 is a deficient number, since it is larger than the sum of its proper divisors (236033788).

313421132 is a wasteful number, since it uses less digits than its factorization.

313421132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138280 (or 138278 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 313421132 is about 17703.7039062452. The cubic root of 313421132 is about 679.2705066181.

Adding to 313421132 its reverse (231124313), we get a palindrome (544545445).

The spelling of 313421132 in words is "three hundred thirteen million, four hundred twenty-one thousand, one hundred thirty-two".