231404422001 has 4 divisors (see below), whose sum is σ = 233226504192. Its totient is φ = 229582339812.

The previous prime is 231404421947. The next prime is 231404422019. The reversal of 231404422001 is 100224404132.

231404422001 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 a de Polignac number, because none of the positive numbers 2^k-231404422001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231404472001) 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, 911040905 + ... + 911041158.

It is an arithmetic number, because the mean of its divisors is an integer number (58306626048).

Almost surely, 2^231404422001 is an apocalyptic number.

It is an amenable number.

231404422001 is a deficient number, since it is larger than the sum of its proper divisors (1822082191).

231404422001 is a wasteful number, since it uses less digits than its factorization.

231404422001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822082190.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 231404422001 its reverse (100224404132), we get a palindrome (331628826133).

The spelling of 231404422001 in words is "two hundred thirty-one billion, four hundred four million, four hundred twenty-two thousand, one".