231255442001 has 4 divisors (see below), whose sum is σ = 231494590272. Its totient is φ = 231016293732.

The previous prime is 231255441983. The next prime is 231255442013. The reversal of 231255442001 is 100244552132.

231255442001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231255442001 - 2²⁶ = 231188333137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231255442021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119572685 + ... + 119574618.

It is an arithmetic number, because the mean of its divisors is an integer number (57873647568).

Almost surely, 2^231255442001 is an apocalyptic number.

It is an amenable number.

231255442001 is a deficient number, since it is larger than the sum of its proper divisors (239148271).

231255442001 is an equidigital number, since it uses as much as digits as its factorization.

231255442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239148270.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 231255442001 its reverse (100244552132), we get a palindrome (331499994133).

The spelling of 231255442001 in words is "two hundred thirty-one billion, two hundred fifty-five million, four hundred forty-two thousand, one".