233320013321 has 2 divisors, whose sum is σ = 233320013322. Its totient is φ = 233320013320.

The previous prime is 233320013309. The next prime is 233320013347. The reversal of 233320013321 is 123310023332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233227180096 + 92833225 = 482936^2 + 9635^2 .

It is a cyclic number.

It is not a de Polignac number, because 233320013321 - 2¹⁴ = 233319996937 is a prime.

It is a super-2 number, since 2×233320013321² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (233320019321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116660006660 + 116660006661.

It is an arithmetic number, because the mean of its divisors is an integer number (116660006661).

Almost surely, 2^233320013321 is an apocalyptic number.

It is an amenable number.

233320013321 is a deficient number, since it is larger than the sum of its proper divisors (1).

233320013321 is an equidigital number, since it uses as much as digits as its factorization.

233320013321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 233320013321 its reverse (123310023332), we get a palindrome (356630036653).

The spelling of 233320013321 in words is "two hundred thirty-three billion, three hundred twenty million, thirteen thousand, three hundred twenty-one".