100100321231 has 2 divisors, whose sum is σ = 100100321232. Its totient is φ = 100100321230.

The previous prime is 100100321227. The next prime is 100100321287. The reversal of 100100321231 is 132123001001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100100321231 - 2² = 100100321227 is a prime.

It is a super-2 number, since 2×100100321231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100323231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050160615 + 50050160616.

It is an arithmetic number, because the mean of its divisors is an integer number (50050160616).

Almost surely, 2^100100321231 is an apocalyptic number.

100100321231 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100321231 is an equidigital number, since it uses as much as digits as its factorization.

100100321231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100100321231 its reverse (132123001001), we get a palindrome (232223322232).

The spelling of 100100321231 in words is "one hundred billion, one hundred million, three hundred twenty-one thousand, two hundred thirty-one".