231240422001 has 8 divisors (see below), whose sum is σ = 309193993440. Its totient is φ = 153723565952.

The previous prime is 231240421999. The next prime is 231240422071. The reversal of 231240422001 is 100224042132.

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 231240422001 - 2¹ = 231240421999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231240422071) 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, 109177611 + ... + 109179728.

It is an arithmetic number, because the mean of its divisors is an integer number (38649249180).

Almost surely, 2^231240422001 is an apocalyptic number.

It is an amenable number.

231240422001 is a deficient number, since it is larger than the sum of its proper divisors (77953571439).

231240422001 is a wasteful number, since it uses less digits than its factorization.

231240422001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218357695.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 231240422001 its reverse (100224042132), we get a palindrome (331464464133).

The spelling of 231240422001 in words is "two hundred thirty-one billion, two hundred forty million, four hundred twenty-two thousand, one".