100232231138 has 8 divisors (see below), whose sum is σ = 161913604188. Its totient is φ = 46261029744.

The previous prime is 100232231137. The next prime is 100232231147. The reversal of 100232231138 is 831132232001.

100232231138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 81409214329 + 18823016809 = 285323^2 + 137197^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 3855085813 = 100232231138 / (1 + 0 + 0 + 2 + 3 + 2 + 2 + 3 + 1 + 1 + 3 + 8).

It is not an unprimeable number, because it can be changed into a prime (100232231131) 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, 1927542881 + ... + 1927542932.

Almost surely, 2^100232231138 is an apocalyptic number.

100232231138 is a deficient number, since it is larger than the sum of its proper divisors (61681373050).

100232231138 is a wasteful number, since it uses less digits than its factorization.

100232231138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855085828.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 100232231138 its reverse (831132232001), we get a palindrome (931364463139).

The spelling of 100232231138 in words is "one hundred billion, two hundred thirty-two million, two hundred thirty-one thousand, one hundred thirty-eight".