201325231 has 2 divisors, whose sum is σ = 201325232. Its totient is φ = 201325230.

The previous prime is 201325181. The next prime is 201325277. The reversal of 201325231 is 132523102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201325231 - 2¹⁷ = 201194159 is a prime.

It is a super-2 number, since 2×201325231² = 81063697274406722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201325199 and 201325208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201325331) 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, 100662615 + 100662616.

It is an arithmetic number, because the mean of its divisors is an integer number (100662616).

Almost surely, 2^201325231 is an apocalyptic number.

201325231 is a deficient number, since it is larger than the sum of its proper divisors (1).

201325231 is an equidigital number, since it uses as much as digits as its factorization.

201325231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 201325231 is about 14188.9122557016. The cubic root of 201325231 is about 586.0923714886.

Adding to 201325231 its reverse (132523102), we get a palindrome (333848333).

The spelling of 201325231 in words is "two hundred one million, three hundred twenty-five thousand, two hundred thirty-one".