313515601 has 4 divisors (see below), whose sum is σ = 358303552. Its totient is φ = 268727652.

The previous prime is 313515589. The next prime is 313515611. The reversal of 313515601 is 106515313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313515601 - 2¹³ = 313507409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313515611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22393965 + ... + 22393978.

It is an arithmetic number, because the mean of its divisors is an integer number (89575888).

Almost surely, 2^313515601 is an apocalyptic number.

It is an amenable number.

313515601 is a deficient number, since it is larger than the sum of its proper divisors (44787951).

313515601 is an equidigital number, since it uses as much as digits as its factorization.

313515601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44787950.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 313515601 is about 17706.3717627299. The cubic root of 313515601 is about 679.3387466024.

The spelling of 313515601 in words is "three hundred thirteen million, five hundred fifteen thousand, six hundred one".