313211313 has 8 divisors (see below), whose sum is σ = 464016800. Its totient is φ = 208807524.

The previous prime is 313211303. The next prime is 313211323. The reversal of 313211313 is 313112313.

It is a happy number.

313211313 is a `hidden beast` number, since 31 + 321 + 1 + 313 = 666.

It is an interprime number because it is at equal distance from previous prime (313211303) and next prime (313211323).

It is not a de Polignac number, because 313211313 - 2⁸ = 313211057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313211303) 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, 5800183 + ... + 5800236.

It is an arithmetic number, because the mean of its divisors is an integer number (58002100).

Almost surely, 2^313211313 is an apocalyptic number.

It is an amenable number.

313211313 is a deficient number, since it is larger than the sum of its proper divisors (150805487).

313211313 is a wasteful number, since it uses less digits than its factorization.

313211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600428 (or 11600422 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 313211313 is about 17697.7770638010. Note that the first 3 decimals coincide. The cubic root of 313211313 is about 679.1188941285.

Adding to 313211313 its reverse (313112313), we get a palindrome (626323626).

The spelling of 313211313 in words is "three hundred thirteen million, two hundred eleven thousand, three hundred thirteen".