100442432231 has 8 divisors (see below), whose sum is σ = 102869387280. Its totient is φ = 98019617472.

The previous prime is 100442432221. The next prime is 100442432287. The reversal of 100442432231 is 132234244001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100442432231 is a prime.

It is a super-2 number, since 2×100442432231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100442432231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100442432221) 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, 985940 + ... + 1083033.

It is an arithmetic number, because the mean of its divisors is an integer number (12858673410).

Almost surely, 2^100442432231 is an apocalyptic number.

100442432231 is a deficient number, since it is larger than the sum of its proper divisors (2426955049).

100442432231 is a wasteful number, since it uses less digits than its factorization.

100442432231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070145.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 100442432231 its reverse (132234244001), we get a palindrome (232676676232).

The spelling of 100442432231 in words is "one hundred billion, four hundred forty-two million, four hundred thirty-two thousand, two hundred thirty-one".