1013220317 has 2 divisors, whose sum is σ = 1013220318. Its totient is φ = 1013220316.

The previous prime is 1013220301. The next prime is 1013220323. The reversal of 1013220317 is 7130223101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012894276 + 326041 = 31826^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013220317 - 2⁴ = 1013220301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013220017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506610158 + 506610159.

It is an arithmetic number, because the mean of its divisors is an integer number (506610159).

Almost surely, 2^1013220317 is an apocalyptic number.

It is an amenable number.

1013220317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013220317 is an equidigital number, since it uses as much as digits as its factorization.

1013220317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1013220317 is about 31831.1218306864. The cubic root of 1013220317 is about 1004.3874940758.

Adding to 1013220317 its reverse (7130223101), we get a palindrome (8143443418).

The spelling of 1013220317 in words is "one billion, thirteen million, two hundred twenty thousand, three hundred seventeen".