316505428 has 12 divisors (see below), whose sum is σ = 554178240. Its totient is φ = 158168792.

The previous prime is 316505407. The next prime is 316505447. The reversal of 316505428 is 824505613.

It is a junction number, because it is equal to n+sod(n) for n = 316505393 and 316505402.

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, 12076 + ... + 27907.

It is an arithmetic number, because the mean of its divisors is an integer number (46181520).

Almost surely, 2^316505428 is an apocalyptic number.

It is an amenable number.

316505428 is a deficient number, since it is larger than the sum of its proper divisors (237672812).

316505428 is a wasteful number, since it uses less digits than its factorization.

316505428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41966 (or 41964 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 316505428 is about 17790.5994277877. The cubic root of 316505428 is about 681.4914122615.

The spelling of 316505428 in words is "three hundred sixteen million, five hundred five thousand, four hundred twenty-eight".