232213220331 has 4 divisors (see below), whose sum is σ = 309617627112. Its totient is φ = 154808813552.

The previous prime is 232213220311. The next prime is 232213220339. The reversal of 232213220331 is 133022312232.

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 232213220331 - 2⁵ = 232213220299 is a prime.

It is a super-2 number, since 2×232213220331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232213220339) 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, 38702203386 + ... + 38702203391.

It is an arithmetic number, because the mean of its divisors is an integer number (77404406778).

Almost surely, 2^232213220331 is an apocalyptic number.

232213220331 is a deficient number, since it is larger than the sum of its proper divisors (77404406781).

232213220331 is an equidigital number, since it uses as much as digits as its factorization.

232213220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77404406780.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 232213220331 its reverse (133022312232), we get a palindrome (365235532563).

It can be divided in two parts, 2322 and 13220331, that added together give a triangular number (13222653 = T₅₁₄₂).

The spelling of 232213220331 in words is "two hundred thirty-two billion, two hundred thirteen million, two hundred twenty thousand, three hundred thirty-one".