313310399 has 4 divisors (see below), whose sum is σ = 329800440. Its totient is φ = 296820360.

The previous prime is 313310377. The next prime is 313310407. The reversal of 313310399 is 993013313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993013313 = 71 ⋅13986103.

It is a cyclic number.

It is not a de Polignac number, because 313310399 - 2²⁴ = 296533183 is a prime.

It is a super-2 number, since 2×313310399² = 196326812243078402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313310359) 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, 8244992 + ... + 8245029.

It is an arithmetic number, because the mean of its divisors is an integer number (82450110).

Almost surely, 2^313310399 is an apocalyptic number.

313310399 is a deficient number, since it is larger than the sum of its proper divisors (16490041).

313310399 is a wasteful number, since it uses less digits than its factorization.

313310399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16490040.

The product of its (nonzero) digits is 6561, while the sum is 32.

The square root of 313310399 is about 17700.5762335580. The cubic root of 313310399 is about 679.1905008226.

The spelling of 313310399 in words is "three hundred thirteen million, three hundred ten thousand, three hundred ninety-nine".