313332431 has 4 divisors (see below), whose sum is σ = 313371912. Its totient is φ = 313292952.

The previous prime is 313332379. The next prime is 313332433. The reversal of 313332431 is 134233313.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 313332431 - 2⁶ = 313332367 is a prime.

It is a super-2 number, since 2×313332431² = 196354424632739522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313332397 and 313332406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313332433) 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, 3236 + ... + 25241.

It is an arithmetic number, because the mean of its divisors is an integer number (78342978).

Almost surely, 2^313332431 is an apocalyptic number.

313332431 is a deficient number, since it is larger than the sum of its proper divisors (39481).

313332431 is a wasteful number, since it uses less digits than its factorization.

313332431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39480.

The product of its digits is 1944, while the sum is 23.

The square root of 313332431 is about 17701.1985752378. The cubic root of 313332431 is about 679.2064206840.

Adding to 313332431 its reverse (134233313), we get a palindrome (447565744).

The spelling of 313332431 in words is "three hundred thirteen million, three hundred thirty-two thousand, four hundred thirty-one".