231132330021001 has 16 divisors (see below), whose sum is σ = 236231847936000. Its totient is φ = 226040448724560.

The previous prime is 231132330020939. The next prime is 231132330021007. The reversal of 231132330021001 is 100120033231132.

It is a cyclic number.

It is not a de Polignac number, because 231132330021001 - 2⁷ = 231132330020873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231132330021007) 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, 349832796 + ... + 350492866.

It is an arithmetic number, because the mean of its divisors is an integer number (14764490496000).

Almost surely, 2^{231132330021001} is an apocalyptic number.

It is an amenable number.

231132330021001 is a deficient number, since it is larger than the sum of its proper divisors (5099517914999).

231132330021001 is a wasteful number, since it uses less digits than its factorization.

231132330021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665844.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231132330021001 its reverse (100120033231132), we get a palindrome (331252363252133).

The spelling of 231132330021001 in words is "two hundred thirty-one trillion, one hundred thirty-two billion, three hundred thirty million, twenty-one thousand, one".