313983557 has 8 divisors (see below), whose sum is σ = 346908096. Its totient is φ = 282665152.

The previous prime is 313983541. The next prime is 313983589. The reversal of 313983557 is 755389313.

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

It is a cyclic number.

It is not a de Polignac number, because 313983557 - 2⁴ = 313983541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313983157) 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, 401123 + ... + 401904.

It is an arithmetic number, because the mean of its divisors is an integer number (43363512).

Almost surely, 2^313983557 is an apocalyptic number.

It is an amenable number.

313983557 is a deficient number, since it is larger than the sum of its proper divisors (32924539).

313983557 is a wasteful number, since it uses less digits than its factorization.

313983557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803067.

The product of its digits is 340200, while the sum is 44.

The square root of 313983557 is about 17719.5811745086. The cubic root of 313983557 is about 679.6765741357.

The spelling of 313983557 in words is "three hundred thirteen million, nine hundred eighty-three thousand, five hundred fifty-seven".