231205555441 has 8 divisors (see below), whose sum is σ = 264258650880. Its totient is φ = 198158392608.

The previous prime is 231205555369. The next prime is 231205555453. The reversal of 231205555441 is 144555502132.

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 231205555441 - 2⁹ = 231205554929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231205555441.

It is not an unprimeable number, because it can be changed into a prime (231205555541) 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, 1399321 + ... + 1555798.

It is an arithmetic number, because the mean of its divisors is an integer number (33032331360).

Almost surely, 2^231205555441 is an apocalyptic number.

It is an amenable number.

231205555441 is a deficient number, since it is larger than the sum of its proper divisors (33053095439).

231205555441 is a wasteful number, since it uses less digits than its factorization.

231205555441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966303.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 231205555441 in words is "two hundred thirty-one billion, two hundred five million, five hundred fifty-five thousand, four hundred forty-one".