313135212 has 24 divisors (see below), whose sum is σ = 786852976. Its totient is φ = 96349248.

The previous prime is 313135201. The next prime is 313135231. The reversal of 313135212 is 212531313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003483 + ... + 1003794.

Almost surely, 2^313135212 is an apocalyptic number.

It is an amenable number.

313135212 is an abundant number, since it is smaller than the sum of its proper divisors (473717764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313135212 is a wasteful number, since it uses less digits than its factorization.

313135212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007297 (or 2007295 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 313135212 is about 17695.6269174053. The cubic root of 313135212 is about 679.0638877999.

Adding to 313135212 its reverse (212531313), we get a palindrome (525666525).

The spelling of 313135212 in words is "three hundred thirteen million, one hundred thirty-five thousand, two hundred twelve".