313651601 has 6 divisors (see below), whose sum is σ = 331028802. Its totient is φ = 297143280.

The previous prime is 313651573. The next prime is 313651631. The reversal of 313651601 is 106156313.

It can be written as a sum of positive squares in only one way, i.e., 228735376 + 84916225 = 15124^2 + 9215^2 .

It is a de Polignac number, because none of the positive numbers 2^k-313651601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313651631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 434060 + ... + 434781.

It is an arithmetic number, because the mean of its divisors is an integer number (55171467).

Almost surely, 2^313651601 is an apocalyptic number.

It is an amenable number.

313651601 is a deficient number, since it is larger than the sum of its proper divisors (17377201).

313651601 is an equidigital number, since it uses as much as digits as its factorization.

313651601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868879 (or 868860 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 313651601 is about 17710.2117717434. The cubic root of 313651601 is about 679.4369625690.

The spelling of 313651601 in words is "three hundred thirteen million, six hundred fifty-one thousand, six hundred one".