316531486 has 4 divisors (see below), whose sum is σ = 474797232. Its totient is φ = 158265742.

The previous prime is 316531477. The next prime is 316531487. The reversal of 316531486 is 684135613.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316531487) by changing a digit.

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 as a sum of consecutive naturals, namely, 79132870 + ... + 79132873.

It is an arithmetic number, because the mean of its divisors is an integer number (118699308).

Almost surely, 2^316531486 is an apocalyptic number.

316531486 is a deficient number, since it is larger than the sum of its proper divisors (158265746).

316531486 is a wasteful number, since it uses less digits than its factorization.

316531486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158265745.

The product of its digits is 51840, while the sum is 37.

The square root of 316531486 is about 17791.3317657785. The cubic root of 316531486 is about 681.5101142218.

The spelling of 316531486 in words is "three hundred sixteen million, five hundred thirty-one thousand, four hundred eighty-six".