231231330001 has 16 divisors (see below), whose sum is σ = 280274704128. Its totient is φ = 186473073600.

The previous prime is 231231329993. The next prime is 231231330073. The reversal of 231231330001 is 100033132132.

It is a cyclic number.

It is not a de Polignac number, because 231231330001 - 2³ = 231231329993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231231330401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11762470 + ... + 11782111.

It is an arithmetic number, because the mean of its divisors is an integer number (17517169008).

Almost surely, 2^231231330001 is an apocalyptic number.

It is an amenable number.

231231330001 is a deficient number, since it is larger than the sum of its proper divisors (49043374127).

231231330001 is a wasteful number, since it uses less digits than its factorization.

231231330001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23544672.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231231330001 its reverse (100033132132), we get a palindrome (331264462133).

The spelling of 231231330001 in words is "two hundred thirty-one billion, two hundred thirty-one million, three hundred thirty thousand, one".