100112031231 has 8 divisors (see below), whose sum is σ = 133484218800. Its totient is φ = 66740598912.

The previous prime is 100112031209. The next prime is 100112031259. The reversal of 100112031231 is 132130211001.

It is a happy number.

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

It is not a de Polignac number, because 100112031231 - 2¹⁵ = 100111998463 is a prime.

It is a super-2 number, since 2×100112031231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100112031231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112031031) 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, 304945 + ... + 541493.

It is an arithmetic number, because the mean of its divisors is an integer number (16685527350).

Almost surely, 2^100112031231 is an apocalyptic number.

100112031231 is a deficient number, since it is larger than the sum of its proper divisors (33372187569).

100112031231 is a wasteful number, since it uses less digits than its factorization.

100112031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377625.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100112031231 its reverse (132130211001), we get a palindrome (232242242232).

The spelling of 100112031231 in words is "one hundred billion, one hundred twelve million, thirty-one thousand, two hundred thirty-one".