232021312221131 has 4 divisors (see below), whose sum is σ = 232021367154600. Its totient is φ = 232021257287664.

The previous prime is 232021312221109. The next prime is 232021312221163. The reversal of 232021312221131 is 131122213120232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232021312221131 - 2³⁰ = 232020238479307 is a prime.

It is a super-2 number, since 2×232021312221131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232021312221131.

It is not an unprimeable number, because it can be changed into a prime (232021312221431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20550746 + ... + 29772063.

It is an arithmetic number, because the mean of its divisors is an integer number (58005341788650).

Almost surely, 2^{232021312221131} is an apocalyptic number.

232021312221131 is a deficient number, since it is larger than the sum of its proper divisors (54933469).

232021312221131 is an equidigital number, since it uses as much as digits as its factorization.

232021312221131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54933468.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 232021312221131 its reverse (131122213120232), we get a palindrome (363143525341363).

The spelling of 232021312221131 in words is "two hundred thirty-two trillion, twenty-one billion, three hundred twelve million, two hundred twenty-one thousand, one hundred thirty-one".