313561012 has 12 divisors (see below), whose sum is σ = 549208576. Its totient is φ = 156644280.

The previous prime is 313561007. The next prime is 313561019. The reversal of 313561012 is 210165313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313561019) 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, 28788 + ... + 38155.

Almost surely, 2^313561012 is an apocalyptic number.

It is an amenable number.

313561012 is a deficient number, since it is larger than the sum of its proper divisors (235647564).

313561012 is a wasteful number, since it uses less digits than its factorization.

313561012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68118 (or 68116 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 313561012 is about 17707.6540512853. The cubic root of 313561012 is about 679.3715445050.

The spelling of 313561012 in words is "three hundred thirteen million, five hundred sixty-one thousand, twelve".