2100344231 has 2 divisors, whose sum is σ = 2100344232. Its totient is φ = 2100344230.

The previous prime is 2100344171. The next prime is 2100344251. The reversal of 2100344231 is 1324430012.

It is an a-pointer prime, because the next prime (2100344251) can be obtained adding 2100344231 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100344231 - 2¹⁸ = 2100082087 is a prime.

It is a super-2 number, since 2×2100344231² = 8822891777389962722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100344251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050172115 + 1050172116.

It is an arithmetic number, because the mean of its divisors is an integer number (1050172116).

Almost surely, 2^2100344231 is an apocalyptic number.

2100344231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100344231 is an equidigital number, since it uses as much as digits as its factorization.

2100344231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2100344231 is about 45829.5126637847. The cubic root of 2100344231 is about 1280.6491318070.

Adding to 2100344231 its reverse (1324430012), we get a palindrome (3424774243).

The spelling of 2100344231 in words is "two billion, one hundred million, three hundred forty-four thousand, two hundred thirty-one".