202201331 has 2 divisors, whose sum is σ = 202201332. Its totient is φ = 202201330.

The previous prime is 202201327. The next prime is 202201343. The reversal of 202201331 is 133102202.

It is a happy number.

202201331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202201331 - 2² = 202201327 is a prime.

It is a super-2 number, since 2×202201331² = 81770756516343122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202201631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100665 + 101100666.

It is an arithmetic number, because the mean of its divisors is an integer number (101100666).

Almost surely, 2^202201331 is an apocalyptic number.

202201331 is a deficient number, since it is larger than the sum of its proper divisors (1).

202201331 is an equidigital number, since it uses as much as digits as its factorization.

202201331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 202201331 is about 14219.7514394591. The cubic root of 202201331 is about 586.9413005160.

Adding to 202201331 its reverse (133102202), we get a palindrome (335303533).

The spelling of 202201331 in words is "two hundred two million, two hundred one thousand, three hundred thirty-one".