316122479 has 4 divisors (see below), whose sum is σ = 316256976. Its totient is φ = 315987984.

The previous prime is 316122461. The next prime is 316122503. The reversal of 316122479 is 974221613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974221613 = 1693 ⋅575441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316122479 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 (316122409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63659 + ... + 68444.

It is an arithmetic number, because the mean of its divisors is an integer number (79064244).

Almost surely, 2^316122479 is an apocalyptic number.

316122479 is a deficient number, since it is larger than the sum of its proper divisors (134497).

316122479 is a wasteful number, since it uses less digits than its factorization.

316122479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134496.

The product of its digits is 18144, while the sum is 35.

The square root of 316122479 is about 17779.8334919087. The cubic root of 316122479 is about 681.2164493311.

The spelling of 316122479 in words is "three hundred sixteen million, one hundred twenty-two thousand, four hundred seventy-nine".