318713955 has 16 divisors (see below), whose sum is σ = 582791424. Its totient is φ = 145697760.

The previous prime is 318713939. The next prime is 318713971. The reversal of 318713955 is 559317813.

It is an interprime number because it is at equal distance from previous prime (318713939) and next prime (318713971).

It is not a de Polignac number, because 318713955 - 2⁴ = 318713939 is a prime.

It is a super-2 number, since 2×318713955² = 203157170223484050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1517581 + ... + 1517790.

It is an arithmetic number, because the mean of its divisors is an integer number (36424464).

Almost surely, 2^318713955 is an apocalyptic number.

318713955 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

318713955 is a deficient number, since it is larger than the sum of its proper divisors (264077469).

318713955 is a wasteful number, since it uses less digits than its factorization.

318713955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035386.

The product of its digits is 113400, while the sum is 42.

The square root of 318713955 is about 17852.5615809049. The cubic root of 318713955 is about 683.0728542538.

The spelling of 318713955 in words is "three hundred eighteen million, seven hundred thirteen thousand, nine hundred fifty-five".