231132002321121 has 32 divisors (see below), whose sum is σ = 336313180707840. Its totient is φ = 140029515326400.

The previous prime is 231132002321071. The next prime is 231132002321179. The reversal of 231132002321121 is 121123200231132.

It is not a de Polignac number, because 231132002321121 - 2²⁹ = 231131465450209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231132002321091 and 231132002321100.

It is not an unprimeable number, because it can be changed into a prime (231132002321191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2812365396 + ... + 2812447578.

It is an arithmetic number, because the mean of its divisors is an integer number (10509786897120).

Almost surely, 2^{231132002321121} is an apocalyptic number.

It is an amenable number.

231132002321121 is a deficient number, since it is larger than the sum of its proper divisors (105181178386719).

231132002321121 is a wasteful number, since it uses less digits than its factorization.

231132002321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111877.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 231132002321121 its reverse (121123200231132), we get a palindrome (352255202552253).

The spelling of 231132002321121 in words is "two hundred thirty-one trillion, one hundred thirty-two billion, two million, three hundred twenty-one thousand, one hundred twenty-one".