316223477 has 8 divisors (see below), whose sum is σ = 336038616. Its totient is φ = 296543232.

The previous prime is 316223449. The next prime is 316223513. The reversal of 316223477 is 774322613.

It can be written as a sum of positive squares in 4 ways, for example, as 15062161 + 301161316 = 3881^2 + 17354^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316223477 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 (316223417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28868 + ... + 38285.

It is an arithmetic number, because the mean of its divisors is an integer number (42004827).

Almost surely, 2^316223477 is an apocalyptic number.

It is an amenable number.

316223477 is a deficient number, since it is larger than the sum of its proper divisors (19815139).

316223477 is a wasteful number, since it uses less digits than its factorization.

316223477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67447.

The product of its digits is 42336, while the sum is 35.

The square root of 316223477 is about 17782.6735054097. The cubic root of 316223477 is about 681.2889889085.

The spelling of 316223477 in words is "three hundred sixteen million, two hundred twenty-three thousand, four hundred seventy-seven".