202254545231 has 2 divisors, whose sum is σ = 202254545232. Its totient is φ = 202254545230.

The previous prime is 202254545221. The next prime is 202254545237. The reversal of 202254545231 is 132545452202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202254545231 - 2¹⁰ = 202254544207 is a prime.

It is a super-2 number, since 2×202254545231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202254545191 and 202254545200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202254545237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101127272615 + 101127272616.

It is an arithmetic number, because the mean of its divisors is an integer number (101127272616).

Almost surely, 2^202254545231 is an apocalyptic number.

202254545231 is a deficient number, since it is larger than the sum of its proper divisors (1).

202254545231 is an equidigital number, since it uses as much as digits as its factorization.

202254545231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 202254545231 its reverse (132545452202), we get a palindrome (334799997433).

The spelling of 202254545231 in words is "two hundred two billion, two hundred fifty-four million, five hundred forty-five thousand, two hundred thirty-one".