232113203213 has 4 divisors (see below), whose sum is σ = 232115053020. Its totient is φ = 232111353408.

The previous prime is 232113203209. The next prime is 232113203221. The reversal of 232113203213 is 312302311232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 144504899044 + 87608304169 = 380138^2 + 295987^2 .

It is a cyclic number.

It is not a de Polignac number, because 232113203213 - 2² = 232113203209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232113203713) 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, 721820 + ... + 992597.

It is an arithmetic number, because the mean of its divisors is an integer number (58028763255).

Almost surely, 2^232113203213 is an apocalyptic number.

It is an amenable number.

232113203213 is a deficient number, since it is larger than the sum of its proper divisors (1849807).

232113203213 is a wasteful number, since it uses less digits than its factorization.

232113203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849806.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 232113203213 its reverse (312302311232), we get a palindrome (544415514445).

The spelling of 232113203213 in words is "two hundred thirty-two billion, one hundred thirteen million, two hundred three thousand, two hundred thirteen".