313968345 has 8 divisors (see below), whose sum is σ = 502349376. Its totient is φ = 167449776.

The previous prime is 313968329. The next prime is 313968349. The reversal of 313968345 is 543869313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 313968345 - 2⁴ = 313968329 is a prime.

It is a super-2 number, since 2×313968345² = 197152243324078050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 313968297 and 313968306.

It is not an unprimeable number, because it can be changed into a prime (313968349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10465597 + ... + 10465626.

It is an arithmetic number, because the mean of its divisors is an integer number (62793672).

Almost surely, 2^313968345 is an apocalyptic number.

It is an amenable number.

313968345 is a deficient number, since it is larger than the sum of its proper divisors (188381031).

313968345 is a wasteful number, since it uses less digits than its factorization.

313968345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20931231.

The product of its digits is 233280, while the sum is 42.

The square root of 313968345 is about 17719.1519266583. The cubic root of 313968345 is about 679.6655975450.

The spelling of 313968345 in words is "three hundred thirteen million, nine hundred sixty-eight thousand, three hundred forty-five".