100112131312431 has 32 divisors (see below), whose sum is σ = 155810962728960. Its totient is φ = 55984962087936.

The previous prime is 100112131312429. The next prime is 100112131312447. The reversal of 100112131312431 is 134213131211001.

It is not a de Polignac number, because 100112131312431 - 2¹ = 100112131312429 is a prime.

It is a super-2 number, since 2×100112131312431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112131312931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7182015 + ... + 15868383.

It is an arithmetic number, because the mean of its divisors is an integer number (4869092585280).

Almost surely, 2^{100112131312431} is an apocalyptic number.

100112131312431 is a deficient number, since it is larger than the sum of its proper divisors (55698831416529).

100112131312431 is a wasteful number, since it uses less digits than its factorization.

100112131312431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8698103.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 100112131312431 its reverse (134213131211001), we get a palindrome (234325262523432).

The spelling of 100112131312431 in words is "one hundred trillion, one hundred twelve billion, one hundred thirty-one million, three hundred twelve thousand, four hundred thirty-one".