112019999999931 has 24 divisors (see below), whose sum is σ = 162168721594880. Its totient is φ = 74512990520496.

The previous prime is 112019999999903. The next prime is 112019999999933. The reversal of 112019999999931 is 139999999910211.

It is a happy number.

It is not a de Polignac number, because 112019999999931 - 2²¹ = 112019997902779 is a prime.

It is a super-2 number, since 2×112019999999931² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112019999999933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10628190 + ... + 18357516.

Almost surely, 2^{112019999999931} is an apocalyptic number.

112019999999931 is a deficient number, since it is larger than the sum of its proper divisors (50148721594949).

112019999999931 is a wasteful number, since it uses less digits than its factorization.

112019999999931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732935 (or 7732932 counting only the distinct ones).

The product of its (nonzero) digits is 258280326, while the sum is 81.

The spelling of 112019999999931 in words is "one hundred twelve trillion, nineteen billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred thirty-one".