233220032332213 has 4 divisors (see below), whose sum is σ = 235624362562540. Its totient is φ = 230815702101888.

The previous prime is 233220032332153. The next prime is 233220032332277. The reversal of 233220032332213 is 312233230022332.

It is a happy number.

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 152256424243729 + 80963608088484 = 12339223^2 + 8997978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233220032332213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233220032332513) 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, 1202165115018 + ... + 1202165115211.

It is an arithmetic number, because the mean of its divisors is an integer number (58906090640635).

Almost surely, 2^{233220032332213} is an apocalyptic number.

It is an amenable number.

233220032332213 is a deficient number, since it is larger than the sum of its proper divisors (2404330230327).

233220032332213 is an equidigital number, since it uses as much as digits as its factorization.

233220032332213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404330230326.

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 233220032332213 its reverse (312233230022332), we get a palindrome (545453262354545).

The spelling of 233220032332213 in words is "two hundred thirty-three trillion, two hundred twenty billion, thirty-two million, three hundred thirty-two thousand, two hundred thirteen".