201324231 has 16 divisors (see below), whose sum is σ = 298540000. Its totient is φ = 134089344.

The previous prime is 201324197. The next prime is 201324259. The reversal of 201324231 is 132423102.

It is not a de Polignac number, because 201324231 - 2¹⁹ = 200799943 is a prime.

It is a super-2 number, since 2×201324231² = 81062891975482722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201324631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32145 + ... + 37893.

It is an arithmetic number, because the mean of its divisors is an integer number (18658750).

Almost surely, 2^201324231 is an apocalyptic number.

201324231 is a deficient number, since it is larger than the sum of its proper divisors (97215769).

201324231 is a wasteful number, since it uses less digits than its factorization.

201324231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055 (or 7049 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 201324231 is about 14188.8770168749. The cubic root of 201324231 is about 586.0914010963.

Adding to 201324231 its reverse (132423102), we get a palindrome (333747333).

It can be divided in two parts, 2013 and 24231, that added together give a square (26244 = 162²).

The spelling of 201324231 in words is "two hundred one million, three hundred twenty-four thousand, two hundred thirty-one".