2315120000042 has 16 divisors (see below), whose sum is σ = 3475321669800. Its totient is φ = 1156679670720.

The previous prime is 2315120000033. The next prime is 2315120000047. The reversal of 2315120000042 is 2400000215132.

It can be written as a sum of positive squares in 4 ways, for example, as 2060921519281 + 254198480761 = 1435591^2 + 504181^2 .

It is a super-2 number, since 2×2315120000042² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2315119999969 and 2315120000023.

It is not an unprimeable number, because it can be changed into a prime (2315120000047) 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, 21914684 + ... + 22020072.

Almost surely, 2^{2315120000042} is an apocalyptic number.

2315120000042 is a deficient number, since it is larger than the sum of its proper divisors (1160201669758).

2315120000042 is a wasteful number, since it uses less digits than its factorization.

2315120000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113641.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 2315120000042 its reverse (2400000215132), we get a palindrome (4715120215174).

The spelling of 2315120000042 in words is "two trillion, three hundred fifteen billion, one hundred twenty million, forty-two", and thus it is an aban number.