201245231 has 8 divisors (see below), whose sum is σ = 220236624. Its totient is φ = 182369920.

The previous prime is 201245189. The next prime is 201245243. The reversal of 201245231 is 132542102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201245231 is a prime.

It is a super-2 number, since 2×201245231² = 80999286000486722, 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 (201245251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25370 + ... + 32343.

It is an arithmetic number, because the mean of its divisors is an integer number (27529578).

Almost surely, 2^201245231 is an apocalyptic number.

201245231 is a deficient number, since it is larger than the sum of its proper divisors (18991393).

201245231 is a wasteful number, since it uses less digits than its factorization.

201245231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58041.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 201245231 is about 14186.0928729513. The cubic root of 201245231 is about 586.0147299508.

Adding to 201245231 its reverse (132542102), we get a palindrome (333787333).

The spelling of 201245231 in words is "two hundred one million, two hundred forty-five thousand, two hundred thirty-one".