232311213 has 8 divisors (see below), whose sum is σ = 344164800. Its totient is φ = 154874124.

The previous prime is 232311187. The next prime is 232311221. The reversal of 232311213 is 312113232.

It is not a de Polignac number, because 232311213 - 2⁵ = 232311181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232311223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302033 + ... + 4302086.

It is an arithmetic number, because the mean of its divisors is an integer number (43020600).

Almost surely, 2^232311213 is an apocalyptic number.

It is an amenable number.

232311213 is a deficient number, since it is larger than the sum of its proper divisors (111853587).

232311213 is an equidigital number, since it uses as much as digits as its factorization.

232311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604128 (or 8604122 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 232311213 is about 15241.7588551978. The cubic root of 232311213 is about 614.7379966656.

Adding to 232311213 its reverse (312113232), we get a palindrome (544424445).

The spelling of 232311213 in words is "two hundred thirty-two million, three hundred eleven thousand, two hundred thirteen".