316440955 has 4 divisors (see below), whose sum is σ = 379729152. Its totient is φ = 253152760.

The previous prime is 316440937. The next prime is 316440961. The reversal of 316440955 is 559044613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559044613 = 1297 ⋅431029.

It is a de Polignac number, because none of the positive numbers 2^k-316440955 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31644091 + ... + 31644100.

It is an arithmetic number, because the mean of its divisors is an integer number (94932288).

Almost surely, 2^316440955 is an apocalyptic number.

316440955 is a deficient number, since it is larger than the sum of its proper divisors (63288197).

316440955 is an equidigital number, since it uses as much as digits as its factorization.

316440955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63288196.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 316440955 is about 17788.7873392202. The cubic root of 316440955 is about 681.4451352462.

The spelling of 316440955 in words is "three hundred sixteen million, four hundred forty thousand, nine hundred fifty-five".