223010131321 has 2 divisors, whose sum is σ = 223010131322. Its totient is φ = 223010131320.

The previous prime is 223010131319. The next prime is 223010131423. The reversal of 223010131321 is 123131010322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192668323600 + 30341807721 = 438940^2 + 174189^2 .

It is a cyclic number.

It is not a de Polignac number, because 223010131321 - 2¹ = 223010131319 is a prime.

Together with 223010131319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (223010131301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111505065660 + 111505065661.

It is an arithmetic number, because the mean of its divisors is an integer number (111505065661).

Almost surely, 2^223010131321 is an apocalyptic number.

It is an amenable number.

223010131321 is a deficient number, since it is larger than the sum of its proper divisors (1).

223010131321 is an equidigital number, since it uses as much as digits as its factorization.

223010131321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 223010131321 its reverse (123131010322), we get a palindrome (346141141643).

The spelling of 223010131321 in words is "two hundred twenty-three billion, ten million, one hundred thirty-one thousand, three hundred twenty-one".