2100201331 has 2 divisors, whose sum is σ = 2100201332. Its totient is φ = 2100201330.

The previous prime is 2100201319. The next prime is 2100201353. The reversal of 2100201331 is 1331020012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100201331 - 2⁷ = 2100201203 is a prime.

It is a super-2 number, since 2×2100201331² = 8821691261468343122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2100201031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050100665 + 1050100666.

It is an arithmetic number, because the mean of its divisors is an integer number (1050100666).

Almost surely, 2^2100201331 is an apocalyptic number.

2100201331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100201331 is an equidigital number, since it uses as much as digits as its factorization.

2100201331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2100201331 is about 45827.9535982134. The cubic root of 2100201331 is about 1280.6200875343.

Adding to 2100201331 its reverse (1331020012), we get a palindrome (3431221343).

The spelling of 2100201331 in words is "two billion, one hundred million, two hundred one thousand, three hundred thirty-one".