313204031 has 12 divisors (see below), whose sum is σ = 376904520. Its totient is φ = 259202160.

The previous prime is 313204027. The next prime is 313204051. The reversal of 313204031 is 130402313.

It is a happy number.

It is not a de Polignac number, because 313204031 - 2² = 313204027 is a prime.

It is a super-2 number, since 2×313204031² = 196193530069297922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313204051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108785 + ... + 111626.

It is an arithmetic number, because the mean of its divisors is an integer number (31408710).

Almost surely, 2^313204031 is an apocalyptic number.

313204031 is a deficient number, since it is larger than the sum of its proper divisors (63700489).

313204031 is a wasteful number, since it uses less digits than its factorization.

313204031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220454 (or 220447 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 313204031 is about 17697.5713305527. The cubic root of 313204031 is about 679.1136310341.

Adding to 313204031 its reverse (130402313), we get a palindrome (443606344).

The spelling of 313204031 in words is "three hundred thirteen million, two hundred four thousand, thirty-one".