316087442 has 32 divisors (see below), whose sum is σ = 531878400. Its totient is φ = 139659520.

The previous prime is 316087427. The next prime is 316087451. The reversal of 316087442 is 244780613.

It is a super-2 number, since 2×316087442² = 199822541980206728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130559 + ... + 132957.

It is an arithmetic number, because the mean of its divisors is an integer number (16621200).

Almost surely, 2^316087442 is an apocalyptic number.

316087442 is a deficient number, since it is larger than the sum of its proper divisors (215790958).

316087442 is a wasteful number, since it uses less digits than its factorization.

316087442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 316087442 is about 17778.8481629154. The cubic root of 316087442 is about 681.1912811719.

The spelling of 316087442 in words is "three hundred sixteen million, eighty-seven thousand, four hundred forty-two".