220230131321 has 2 divisors, whose sum is σ = 220230131322. Its totient is φ = 220230131320.

The previous prime is 220230131269. The next prime is 220230131347. The reversal of 220230131321 is 123131032022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209123290000 + 11106841321 = 457300^2 + 105389^2 .

It is a cyclic number.

It is not a de Polignac number, because 220230131321 - 2¹⁰ = 220230130297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220230131293 and 220230131302.

It is not a weakly prime, because it can be changed into another prime (220230131351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110115065660 + 110115065661.

It is an arithmetic number, because the mean of its divisors is an integer number (110115065661).

Almost surely, 2^220230131321 is an apocalyptic number.

It is an amenable number.

220230131321 is a deficient number, since it is larger than the sum of its proper divisors (1).

220230131321 is an equidigital number, since it uses as much as digits as its factorization.

220230131321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 220230131321 its reverse (123131032022), we get a palindrome (343361163343).

The spelling of 220230131321 in words is "two hundred twenty billion, two hundred thirty million, one hundred thirty-one thousand, three hundred twenty-one".