315006231661042 has 16 divisors (see below), whose sum is σ = 473942120115672. Its totient is φ = 157025585445120.

The previous prime is 315006231661013. The next prime is 315006231661063. The reversal of 315006231661042 is 240166132600513.

It can be written as a sum of positive squares in 4 ways, for example, as 147784892935761 + 167221338725281 = 12156681^2 + 12931409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315006231660986 and 315006231661004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4693713 + ... + 25535140.

Almost surely, 2^{315006231661042} is an apocalyptic number.

315006231661042 is a deficient number, since it is larger than the sum of its proper divisors (158935888454630).

315006231661042 is a wasteful number, since it uses less digits than its factorization.

315006231661042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30244653.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 315006231661042 in words is "three hundred fifteen trillion, six billion, two hundred thirty-one million, six hundred sixty-one thousand, forty-two".