316331593242 has 16 divisors (see below), whose sum is σ = 723043641792. Its totient is φ = 90380455200.

The previous prime is 316331593229. The next prime is 316331593247. The reversal of 316331593242 is 242395133613.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 7531704601 = 316331593242 / (3 + 1 + 6 + 3 + 3 + 1 + 5 + 9 + 3 + 2 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 316331593194 and 316331593203.

It is not an unprimeable number, because it can be changed into a prime (316331593247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3765852259 + ... + 3765852342.

It is an arithmetic number, because the mean of its divisors is an integer number (45190227612).

Almost surely, 2^316331593242 is an apocalyptic number.

316331593242 is an abundant number, since it is smaller than the sum of its proper divisors (406712048550).

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

316331593242 is a wasteful number, since it uses less digits than its factorization.

316331593242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531704613.

The product of its digits is 349920, while the sum is 42.

The spelling of 316331593242 in words is "three hundred sixteen billion, three hundred thirty-one million, five hundred ninety-three thousand, two hundred forty-two".