233320013 has 2 divisors, whose sum is σ = 233320014. Its totient is φ = 233320012.

The previous prime is 233320007. The next prime is 233320033. The reversal of 233320013 is 310023332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228221449 + 5098564 = 15107^2 + 2258^2 .

It is a cyclic number.

It is not a de Polignac number, because 233320013 - 2⁶ = 233319949 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 233319973 and 233320000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233320033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116660006 + 116660007.

It is an arithmetic number, because the mean of its divisors is an integer number (116660007).

Almost surely, 2^233320013 is an apocalyptic number.

It is an amenable number.

233320013 is a deficient number, since it is larger than the sum of its proper divisors (1).

233320013 is an equidigital number, since it uses as much as digits as its factorization.

233320013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 233320013 is about 15274.8163000411. The cubic root of 233320013 is about 615.6265349168.

Adding to 233320013 its reverse (310023332), we get a palindrome (543343345).

The spelling of 233320013 in words is "two hundred thirty-three million, three hundred twenty thousand, thirteen".