313631017 has 24 divisors (see below), whose sum is σ = 377485920. Its totient is φ = 259640640.

The previous prime is 313630979. The next prime is 313631057. The reversal of 313631017 is 710136313.

It is a de Polignac number, because none of the positive numbers 2^k-313631017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313630982 and 313631000.

It is not an unprimeable number, because it can be changed into a prime (313631057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214234 + ... + 215692.

It is an arithmetic number, because the mean of its divisors is an integer number (15728580).

Almost surely, 2^313631017 is an apocalyptic number.

It is an amenable number.

313631017 is a deficient number, since it is larger than the sum of its proper divisors (63854903).

313631017 is a wasteful number, since it uses less digits than its factorization.

313631017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 313631017 is about 17709.6306285591. The cubic root of 313631017 is about 679.4220991172.

The spelling of 313631017 in words is "three hundred thirteen million, six hundred thirty-one thousand, seventeen".