231204261 has 8 divisors (see below), whose sum is σ = 308484000. Its totient is φ = 154030352.

The previous prime is 231204241. The next prime is 231204263. The reversal of 231204261 is 162402132.

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

It is a cyclic number.

It is not a de Polignac number, because 231204261 - 2⁵ = 231204229 is a prime.

It is a super-2 number, since 2×231204261² = 106910820609112242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231204263) 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 7 ways as a sum of consecutive naturals, for example, 21210 + ... + 30203.

It is an arithmetic number, because the mean of its divisors is an integer number (38560500).

Almost surely, 2^231204261 is an apocalyptic number.

It is an amenable number.

231204261 is a deficient number, since it is larger than the sum of its proper divisors (77279739).

231204261 is a wasteful number, since it uses less digits than its factorization.

231204261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52915.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 231204261 is about 15205.4023623185. The cubic root of 231204261 is about 613.7600425046.

Adding to 231204261 its reverse (162402132), we get a palindrome (393606393).

The spelling of 231204261 in words is "two hundred thirty-one million, two hundred four thousand, two hundred sixty-one".