112640637031 has 4 divisors (see below), whose sum is σ = 121305301432. Its totient is φ = 103975972632.

The previous prime is 112640636993. The next prime is 112640637037. The reversal of 112640637031 is 130736046211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112640637031 - 2²⁹ = 112103766119 is a prime.

It is a super-2 number, since 2×112640637031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112640637037) 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, 4332332181 + ... + 4332332206.

It is an arithmetic number, because the mean of its divisors is an integer number (30326325358).

Almost surely, 2^112640637031 is an apocalyptic number.

112640637031 is a deficient number, since it is larger than the sum of its proper divisors (8664664401).

112640637031 is an equidigital number, since it uses as much as digits as its factorization.

112640637031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8664664400.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 112640637031 in words is "one hundred twelve billion, six hundred forty million, six hundred thirty-seven thousand, thirty-one".