2100322231 has 12 divisors (see below), whose sum is σ = 2479702008. Its totient is φ = 1773403632.

The previous prime is 2100322223. The next prime is 2100322247. The reversal of 2100322231 is 1322230012.

It is not a de Polignac number, because 2100322231 - 2³ = 2100322223 is a prime.

It is a super-2 number, since 2×2100322231² = 8822706948065634722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100322271) 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, 316596 + ... + 323161.

It is an arithmetic number, because the mean of its divisors is an integer number (206641834).

Almost surely, 2^2100322231 is an apocalyptic number.

2100322231 is a deficient number, since it is larger than the sum of its proper divisors (379379777).

2100322231 is an equidigital number, since it uses as much as digits as its factorization.

2100322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639838 (or 639831 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2100322231 is about 45829.2726431481. The cubic root of 2100322231 is about 1280.6446604162.

Adding to 2100322231 its reverse (1322230012), we get a palindrome (3422552243).

It can be divided in two parts, 21003 and 22231, that added together give a palindrome (43234).

The spelling of 2100322231 in words is "two billion, one hundred million, three hundred twenty-two thousand, two hundred thirty-one".