313537916 has 6 divisors (see below), whose sum is σ = 548691360. Its totient is φ = 156768956.

The previous prime is 313537907. The next prime is 313537933. The reversal of 313537916 is 619735313.

It is a self number, because there is not a number n which added to its sum of digits gives 313537916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39192236 + ... + 39192243.

It is an arithmetic number, because the mean of its divisors is an integer number (91448560).

Almost surely, 2^313537916 is an apocalyptic number.

It is an amenable number.

313537916 is a deficient number, since it is larger than the sum of its proper divisors (235153444).

313537916 is a wasteful number, since it uses less digits than its factorization.

313537916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78384483 (or 78384481 counting only the distinct ones).

The product of its digits is 51030, while the sum is 38.

The square root of 313537916 is about 17707.0018919071. The cubic root of 313537916 is about 679.3548639124.

The spelling of 313537916 in words is "three hundred thirteen million, five hundred thirty-seven thousand, nine hundred sixteen".