201504231 has 6 divisors (see below), whose sum is σ = 291061680. Its totient is φ = 134336148.

The previous prime is 201504229. The next prime is 201504239. The reversal of 201504231 is 132405102.

201504231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201504231 - 2¹ = 201504229 is a prime.

It is a super-2 number, since 2×201504231² = 81207910221802722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201504239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11194671 + ... + 11194688.

It is an arithmetic number, because the mean of its divisors is an integer number (48510280).

Almost surely, 2^201504231 is an apocalyptic number.

201504231 is a deficient number, since it is larger than the sum of its proper divisors (89557449).

201504231 is a wasteful number, since it uses less digits than its factorization.

201504231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22389365 (or 22389362 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 201504231 is about 14195.2185964148. The cubic root of 201504231 is about 586.2660199628.

Adding to 201504231 its reverse (132405102), we get a palindrome (333909333).

The spelling of 201504231 in words is "two hundred one million, five hundred four thousand, two hundred thirty-one".