316443630 has 16 divisors (see below), whose sum is σ = 759464784. Its totient is φ = 84384960.

The previous prime is 316443601. The next prime is 316443649. The reversal of 316443630 is 36344613.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 10548121 = 316443630 / (3 + 1 + 6 + 4 + 4 + 3 + 6 + 3 + 0).

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 7 ways as a sum of consecutive naturals, for example, 5274031 + ... + 5274090.

It is an arithmetic number, because the mean of its divisors is an integer number (47466549).

Almost surely, 2^316443630 is an apocalyptic number.

316443630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

316443630 is an abundant number, since it is smaller than the sum of its proper divisors (443021154).

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

316443630 is a wasteful number, since it uses less digits than its factorization.

316443630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10548131.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 316443630 is about 17788.8625268734. The cubic root of 316443630 is about 681.4470554155.

The spelling of 316443630 in words is "three hundred sixteen million, four hundred forty-three thousand, six hundred thirty".