100321210231 has 12 divisors (see below), whose sum is σ = 110280672936. Its totient is φ = 91192621520.

The previous prime is 100321210229. The next prime is 100321210259. The reversal of 100321210231 is 132012123001.

It is not a de Polignac number, because 100321210231 - 2¹ = 100321210229 is a prime.

It is a super-2 number, since 2×100321210231² (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 (100321210211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1531605 + ... + 1595761.

It is an arithmetic number, because the mean of its divisors is an integer number (9190056078).

Almost surely, 2^100321210231 is an apocalyptic number.

100321210231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100321210231 is a deficient number, since it is larger than the sum of its proper divisors (9959462705).

100321210231 is a wasteful number, since it uses less digits than its factorization.

100321210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77102 (or 77091 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100321210231 its reverse (132012123001), we get a palindrome (232333333232).

The spelling of 100321210231 in words is "one hundred billion, three hundred twenty-one million, two hundred ten thousand, two hundred thirty-one".