100232331 has 32 divisors (see below), whose sum is σ = 143302656. Its totient is φ = 62208000.

The previous prime is 100232317. The next prime is 100232339. The reversal of 100232331 is 133232001.

It is not a de Polignac number, because 100232331 - 2⁷ = 100232203 is a prime.

It is a super-2 number, since 2×100232331² = 20093040355387122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100232331.

It is not an unprimeable number, because it can be changed into a prime (100232339) 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, 369726 + ... + 369996.

It is an arithmetic number, because the mean of its divisors is an integer number (4478208).

Almost surely, 2^100232331 is an apocalyptic number.

100232331 is a deficient number, since it is larger than the sum of its proper divisors (43070325).

100232331 is a wasteful number, since it uses less digits than its factorization.

100232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 100232331 is about 10011.6098106149. The cubic root of 100232331 is about 464.5180669982.

Adding to 100232331 its reverse (133232001), we get a palindrome (233464332).

It can be divided in two parts, 1002 and 32331, that added together give a palindrome (33333).

The spelling of 100232331 in words is "one hundred million, two hundred thirty-two thousand, three hundred thirty-one".