100201331231 has 4 divisors (see below), whose sum is σ = 102531594792. Its totient is φ = 97871067672.

The previous prime is 100201331227. The next prime is 100201331233. The reversal of 100201331231 is 132133102001.

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

It is a cyclic number.

It is not a de Polignac number, because 100201331231 - 2² = 100201331227 is a prime.

It is a super-2 number, since 2×100201331231² (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 (100201331233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165131716 + ... + 1165131801.

It is an arithmetic number, because the mean of its divisors is an integer number (25632898698).

Almost surely, 2^100201331231 is an apocalyptic number.

100201331231 is a deficient number, since it is larger than the sum of its proper divisors (2330263561).

100201331231 is an equidigital number, since it uses as much as digits as its factorization.

100201331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330263560.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 100201331231 its reverse (132133102001), we get a palindrome (232334433232).

The spelling of 100201331231 in words is "one hundred billion, two hundred one million, three hundred thirty-one thousand, two hundred thirty-one".