231204403001 has 32 divisors (see below), whose sum is σ = 273433321728. Its totient is φ = 192727434240.

The previous prime is 231204402977. The next prime is 231204403007. The reversal of 231204403001 is 100304402132.

It is a de Polignac number, because none of the positive numbers 2^k-231204403001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231204403007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56763101 + ... + 56767173.

It is an arithmetic number, because the mean of its divisors is an integer number (8544791304).

Almost surely, 2^231204403001 is an apocalyptic number.

It is an amenable number.

231204403001 is a deficient number, since it is larger than the sum of its proper divisors (42228918727).

231204403001 is a wasteful number, since it uses less digits than its factorization.

231204403001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 231204403001 its reverse (100304402132), we get a palindrome (331508805133).

The spelling of 231204403001 in words is "two hundred thirty-one billion, two hundred four million, four hundred three thousand, one".