313254328393 has 8 divisors (see below), whose sum is σ = 321596873640. Its totient is φ = 304945221120.

The previous prime is 313254328381. The next prime is 313254328403. The reversal of 313254328393 is 393823452313.

It can be written as a sum of positive squares in 4 ways, for example, as 23409918009 + 289844410384 = 153003^2 + 538372^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-313254328393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313254328333) 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, 8340508 + ... + 8377981.

It is an arithmetic number, because the mean of its divisors is an integer number (40199609205).

Almost surely, 2^313254328393 is an apocalyptic number.

It is an amenable number.

313254328393 is a deficient number, since it is larger than the sum of its proper divisors (8342545247).

313254328393 is a wasteful number, since it uses less digits than its factorization.

313254328393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16718987.

The product of its digits is 1399680, while the sum is 46.

The spelling of 313254328393 in words is "three hundred thirteen billion, two hundred fifty-four million, three hundred twenty-eight thousand, three hundred ninety-three".