231648201 has 16 divisors (see below), whose sum is σ = 355017600. Its totient is φ = 149106384.

The previous prime is 231648187. The next prime is 231648223. The reversal of 231648201 is 102846132.

It is not a de Polignac number, because 231648201 - 2²⁵ = 198093769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (231648271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147141 + ... + 148706.

It is an arithmetic number, because the mean of its divisors is an integer number (22188600).

Almost surely, 2^231648201 is an apocalyptic number.

It is an amenable number.

231648201 is a deficient number, since it is larger than the sum of its proper divisors (123369399).

231648201 is a wasteful number, since it uses less digits than its factorization.

231648201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295885 (or 295879 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 231648201 is about 15219.9934625479. The cubic root of 231648201 is about 614.1526223883.

The spelling of 231648201 in words is "two hundred thirty-one million, six hundred forty-eight thousand, two hundred one".