232121330331 has 16 divisors (see below), whose sum is σ = 338224429440. Its totient is φ = 140432342720.

The previous prime is 232121330297. The next prime is 232121330333. The reversal of 232121330331 is 133033121232.

It is a cyclic number.

It is not a de Polignac number, because 232121330331 - 2⁹ = 232121329819 is a prime.

It is a super-2 number, since 2×232121330331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232121330333) 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, 6162225 + ... + 6199778.

It is an arithmetic number, because the mean of its divisors is an integer number (21139026840).

Almost surely, 2^232121330331 is an apocalyptic number.

232121330331 is a deficient number, since it is larger than the sum of its proper divisors (106103099109).

232121330331 is a wasteful number, since it uses less digits than its factorization.

232121330331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12362586.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 232121330331 its reverse (133033121232), we get a palindrome (365154451563).

The spelling of 232121330331 in words is "two hundred thirty-two billion, one hundred twenty-one million, three hundred thirty thousand, three hundred thirty-one".