315707032242 has 72 divisors (see below), whose sum is σ = 825181405776. Its totient is φ = 90202002408.

The previous prime is 315707032183. The next prime is 315707032271. The reversal of 315707032242 is 242230707513.

315707032242 is a `hidden beast` number, since 31 + 570 + 7 + 0 + 32 + 24 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 315707032197 and 315707032206.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6604788 + ... + 6652415.

It is an arithmetic number, because the mean of its divisors is an integer number (11460852858).

Almost surely, 2^315707032242 is an apocalyptic number.

315707032242 is an abundant number, since it is smaller than the sum of its proper divisors (509474373534).

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

315707032242 is a wasteful number, since it uses less digits than its factorization.

315707032242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13257234 (or 13257215 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

Adding to 315707032242 its reverse (242230707513), we get a palindrome (557937739755).

The spelling of 315707032242 in words is "three hundred fifteen billion, seven hundred seven million, thirty-two thousand, two hundred forty-two".