100032320231 has 4 divisors (see below), whose sum is σ = 100201009392. Its totient is φ = 99863631072.

The previous prime is 100032320189. The next prime is 100032320239. The reversal of 100032320231 is 132023230001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100032320231 is a prime.

It is a super-2 number, since 2×100032320231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100032320239) 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, 84343691 + ... + 84344876.

It is an arithmetic number, because the mean of its divisors is an integer number (25050252348).

Almost surely, 2^100032320231 is an apocalyptic number.

100032320231 is a deficient number, since it is larger than the sum of its proper divisors (168689161).

100032320231 is an equidigital number, since it uses as much as digits as its factorization.

100032320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168689160.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 100032320231 its reverse (132023230001), we get a palindrome (232055550232).

The spelling of 100032320231 in words is "one hundred billion, thirty-two million, three hundred twenty thousand, two hundred thirty-one".