233120311213 has 2 divisors, whose sum is σ = 233120311214. Its totient is φ = 233120311212.

The previous prime is 233120311201. The next prime is 233120311219. The reversal of 233120311213 is 312113021332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224583105604 + 8537205609 = 473902^2 + 92397^2 .

It is a cyclic number.

It is not a de Polignac number, because 233120311213 - 2²⁹ = 232583440301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233120311219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116560155606 + 116560155607.

It is an arithmetic number, because the mean of its divisors is an integer number (116560155607).

Almost surely, 2^233120311213 is an apocalyptic number.

It is an amenable number.

233120311213 is a deficient number, since it is larger than the sum of its proper divisors (1).

233120311213 is an equidigital number, since it uses as much as digits as its factorization.

233120311213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 233120311213 its reverse (312113021332), we get a palindrome (545233332545).

The spelling of 233120311213 in words is "two hundred thirty-three billion, one hundred twenty million, three hundred eleven thousand, two hundred thirteen".