313398617 has 4 divisors (see below), whose sum is σ = 358169856. Its totient is φ = 268627380.

The previous prime is 313398583. The next prime is 313398643. The reversal of 313398617 is 716893313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 716893313 = 19 ⋅37731227.

It is a de Polignac number, because none of the positive numbers 2^k-313398617 is a prime.

It is a super-3 number, since 3×313398617³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313398317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22385609 + ... + 22385622.

It is an arithmetic number, because the mean of its divisors is an integer number (89542464).

Almost surely, 2^313398617 is an apocalyptic number.

It is an amenable number.

313398617 is a deficient number, since it is larger than the sum of its proper divisors (44771239).

313398617 is an equidigital number, since it uses as much as digits as its factorization.

313398617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44771238.

The product of its digits is 81648, while the sum is 41.

The square root of 313398617 is about 17703.0680109409. The cubic root of 313398617 is about 679.2542408124.

The spelling of 313398617 in words is "three hundred thirteen million, three hundred ninety-eight thousand, six hundred seventeen".