313421331 has 8 divisors (see below), whose sum is σ = 418718160. Its totient is φ = 208536032.

The previous prime is 313421309. The next prime is 313421341. The reversal of 313421331 is 133124313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313421331 - 2⁶ = 313421267 is a prime.

It is a super-2 number, since 2×313421331² = 196465861451623122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313421298 and 313421307.

It is not an unprimeable number, because it can be changed into a prime (313421341) 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, 101100 + ... + 104153.

It is an arithmetic number, because the mean of its divisors is an integer number (52339770).

Almost surely, 2^313421331 is an apocalyptic number.

313421331 is a deficient number, since it is larger than the sum of its proper divisors (105296829).

313421331 is a wasteful number, since it uses less digits than its factorization.

313421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205765.

The product of its digits is 648, while the sum is 21.

The square root of 313421331 is about 17703.7095265371. The cubic root of 313421331 is about 679.2706503808.

Adding to 313421331 its reverse (133124313), we get a palindrome (446545644).

The spelling of 313421331 in words is "three hundred thirteen million, four hundred twenty-one thousand, three hundred thirty-one".