42315630831 has 12 divisors (see below), whose sum is σ = 61171142760. Its totient is φ = 28188006000.

The previous prime is 42315630823. The next prime is 42315630857. The reversal of 42315630831 is 13803651324.

42315630831 is a `hidden beast` number, since 4 + 2 + 3 + 15 + 630 + 8 + 3 + 1 = 666.

It is not a de Polignac number, because 42315630831 - 2³ = 42315630823 is a prime.

It is a super-2 number, since 2×42315630831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315630431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1855920 + ... + 1878581.

It is an arithmetic number, because the mean of its divisors is an integer number (5097595230).

Almost surely, 2^42315630831 is an apocalyptic number.

42315630831 is a deficient number, since it is larger than the sum of its proper divisors (18855511929).

42315630831 is a wasteful number, since it uses less digits than its factorization.

42315630831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735766 (or 3735763 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 42315630831 in words is "forty-two billion, three hundred fifteen million, six hundred thirty thousand, eight hundred thirty-one".