313878355 has 16 divisors (see below), whose sum is σ = 449178624. Its totient is φ = 205872480.

The previous prime is 313878343. The next prime is 313878359. The reversal of 313878355 is 553878313.

It is not a de Polignac number, because 313878355 - 2²³ = 305489747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313878359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194151 + ... + 195760.

It is an arithmetic number, because the mean of its divisors is an integer number (28073664).

Almost surely, 2^313878355 is an apocalyptic number.

313878355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

313878355 is a deficient number, since it is larger than the sum of its proper divisors (135300269).

313878355 is a wasteful number, since it uses less digits than its factorization.

313878355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389946.

The product of its digits is 302400, while the sum is 43.

The square root of 313878355 is about 17716.6124019238. The cubic root of 313878355 is about 679.6006558053.

The spelling of 313878355 in words is "three hundred thirteen million, eight hundred seventy-eight thousand, three hundred fifty-five".