313960509 has 32 divisors (see below), whose sum is σ = 474624000. Its totient is φ = 205072560.

The previous prime is 313960469. The next prime is 313960513. The reversal of 313960509 is 905069313.

It is not a de Polignac number, because 313960509 - 2⁸ = 313960253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313960909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381072 + ... + 381894.

It is an arithmetic number, because the mean of its divisors is an integer number (14832000).

Almost surely, 2^313960509 is an apocalyptic number.

It is an amenable number.

313960509 is a deficient number, since it is larger than the sum of its proper divisors (160663491).

313960509 is a wasteful number, since it uses less digits than its factorization.

313960509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 313960509 is about 17718.9308086013. The cubic root of 313960509 is about 679.6599431491.

The spelling of 313960509 in words is "three hundred thirteen million, nine hundred sixty thousand, five hundred nine".