316681542 has 32 divisors (see below), whose sum is σ = 745135200. Its totient is φ = 99350784.

The previous prime is 316681529. The next prime is 316681543. The reversal of 316681542 is 245186613.

It is a happy number.

316681542 is a `hidden beast` number, since 31 + 6 + 6 + 81 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 316681497 and 316681506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316681543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171567 + ... + 173402.

It is an arithmetic number, because the mean of its divisors is an integer number (23285475).

Almost surely, 2^316681542 is an apocalyptic number.

316681542 is an abundant number, since it is smaller than the sum of its proper divisors (428453658).

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

316681542 is a wasteful number, since it uses less digits than its factorization.

316681542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344997 (or 344991 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 316681542 is about 17795.5483759282. The cubic root of 316681542 is about 681.6177902146.

The spelling of 316681542 in words is "three hundred sixteen million, six hundred eighty-one thousand, five hundred forty-two".