316542690 has 48 divisors (see below), whose sum is σ = 831025728. Its totient is φ = 83589408.

The previous prime is 316542683. The next prime is 316542731. The reversal of 316542690 is 96245613.

It is a happy number.

It is a super-2 number, since 2×316542690² = 200398549184872200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7804 + ... + 26343.

It is an arithmetic number, because the mean of its divisors is an integer number (17313036).

Almost surely, 2^316542690 is an apocalyptic number.

316542690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

316542690 is an abundant number, since it is smaller than the sum of its proper divisors (514483038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316542690 is a wasteful number, since it uses less digits than its factorization.

316542690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34263 (or 34260 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 316542690 is about 17791.6466354298. The cubic root of 316542690 is about 681.5181550746.

The spelling of 316542690 in words is "three hundred sixteen million, five hundred forty-two thousand, six hundred ninety".