313899537 has 20 divisors (see below), whose sum is σ = 488270320. Its totient is φ = 179367048.

The previous prime is 313899533. The next prime is 313899557. The reversal of 313899537 is 735998313.

It is not a de Polignac number, because 313899537 - 2² = 313899533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313899533) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14587 + ... + 28992.

It is an arithmetic number, because the mean of its divisors is an integer number (24413516).

Almost surely, 2^313899537 is an apocalyptic number.

It is an amenable number.

313899537 is a deficient number, since it is larger than the sum of its proper divisors (174370783).

313899537 is an frugal number, since it uses more digits than its factorization.

313899537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43610 (or 43589 counting only the distinct ones).

The product of its digits is 612360, while the sum is 48.

The square root of 313899537 is about 17717.2101923525. The cubic root of 313899537 is about 679.6159430198.

The spelling of 313899537 in words is "three hundred thirteen million, eight hundred ninety-nine thousand, five hundred thirty-seven".