223320331313 has 2 divisors, whose sum is σ = 223320331314. Its totient is φ = 223320331312.

The previous prime is 223320331277. The next prime is 223320331337. The reversal of 223320331313 is 313133023322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201414259264 + 21906072049 = 448792^2 + 148007^2 .

It is a cyclic number.

It is not a de Polignac number, because 223320331313 - 2³⁰ = 222246589489 is a prime.

It is not a weakly prime, because it can be changed into another prime (223320337313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111660165656 + 111660165657.

It is an arithmetic number, because the mean of its divisors is an integer number (111660165657).

Almost surely, 2^223320331313 is an apocalyptic number.

It is an amenable number.

223320331313 is a deficient number, since it is larger than the sum of its proper divisors (1).

223320331313 is an equidigital number, since it uses as much as digits as its factorization.

223320331313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 223320331313 its reverse (313133023322), we get a palindrome (536453354635).

The spelling of 223320331313 in words is "two hundred twenty-three billion, three hundred twenty million, three hundred thirty-one thousand, three hundred thirteen".