316223135 has 4 divisors (see below), whose sum is σ = 379467768. Its totient is φ = 252978504.

The previous prime is 316223129. The next prime is 316223177. The reversal of 316223135 is 531322613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 316223135 - 2¹² = 316219039 is a prime.

It is a super-2 number, since 2×316223135² = 199994142218456450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31622309 + ... + 31622318.

It is an arithmetic number, because the mean of its divisors is an integer number (94866942).

Almost surely, 2^316223135 is an apocalyptic number.

316223135 is a deficient number, since it is larger than the sum of its proper divisors (63244633).

316223135 is an equidigital number, since it uses as much as digits as its factorization.

316223135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63244632.

The product of its digits is 3240, while the sum is 26.

The square root of 316223135 is about 17782.6638893052. The cubic root of 316223135 is about 681.2887433006.

Adding to 316223135 its reverse (531322613), we get a palindrome (847545748).

The spelling of 316223135 in words is "three hundred sixteen million, two hundred twenty-three thousand, one hundred thirty-five".