315912407042 has 8 divisors (see below), whose sum is σ = 473871852300. Its totient is φ = 157955122944.

The previous prime is 315912407011. The next prime is 315912407047. The reversal of 315912407042 is 240704219513.

It can be written as a sum of positive squares in 2 ways, for example, as 304129087441 + 11783319601 = 551479^2 + 108551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 315912406987 and 315912407005.

It is not an unprimeable number, because it can be changed into a prime (315912407047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104567 + ... + 801722.

Almost surely, 2^315912407042 is an apocalyptic number.

315912407042 is a deficient number, since it is larger than the sum of its proper divisors (157959445258).

315912407042 is a wasteful number, since it uses less digits than its factorization.

315912407042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080580.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 315912407042 in words is "three hundred fifteen billion, nine hundred twelve million, four hundred seven thousand, forty-two".