313685913 has 8 divisors (see below), whose sum is σ = 419370688. Its totient is φ = 208562544.

The previous prime is 313685909. The next prime is 313685917. The reversal of 313685913 is 319586313.

It is an interprime number because it is at equal distance from previous prime (313685909) and next prime (313685917).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313685913 - 2² = 313685909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313685917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139045 + ... + 141282.

It is an arithmetic number, because the mean of its divisors is an integer number (52421336).

Almost surely, 2^313685913 is an apocalyptic number.

It is an amenable number.

313685913 is a deficient number, since it is larger than the sum of its proper divisors (105684775).

313685913 is a wasteful number, since it uses less digits than its factorization.

313685913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280703.

The product of its digits is 58320, while the sum is 39.

The square root of 313685913 is about 17711.1804519066. The cubic root of 313685913 is about 679.4617373945.

The spelling of 313685913 in words is "three hundred thirteen million, six hundred eighty-five thousand, nine hundred thirteen".