313213311 has 40 divisors (see below), whose sum is σ = 494493120. Its totient is φ = 197249472.

The previous prime is 313213301. The next prime is 313213357. The reversal of 313213311 is 113312313.

It is a happy number.

313213311 is a `hidden beast` number, since 31 + 321 + 3 + 311 = 666.

It is not a de Polignac number, because 313213311 - 2⁷ = 313213183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313213301) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 108985 + ... + 111821.

It is an arithmetic number, because the mean of its divisors is an integer number (12362328).

Almost surely, 2^313213311 is an apocalyptic number.

313213311 is a deficient number, since it is larger than the sum of its proper divisors (181279809).

313213311 is a wasteful number, since it uses less digits than its factorization.

313213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925 (or 2916 counting only the distinct ones).

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

The square root of 313213311 is about 17697.8335114782. The cubic root of 313213311 is about 679.1203381766.

Adding to 313213311 its reverse (113312313), we get a palindrome (426525624).

The spelling of 313213311 in words is "three hundred thirteen million, two hundred thirteen thousand, three hundred eleven".