1013321317 has 2 divisors, whose sum is σ = 1013321318. Its totient is φ = 1013321316.

The previous prime is 1013321299. The next prime is 1013321321. The reversal of 1013321317 is 7131233101.

1013321317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 962612676 + 50708641 = 31026^2 + 7121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013321317 is a prime.

It is a super-2 number, since 2×1013321317² = 2053640182973228978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013321917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506660658 + 506660659.

It is an arithmetic number, because the mean of its divisors is an integer number (506660659).

Almost surely, 2^1013321317 is an apocalyptic number.

It is an amenable number.

1013321317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013321317 is an equidigital number, since it uses as much as digits as its factorization.

1013321317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1013321317 is about 31832.7082888026. The cubic root of 1013321317 is about 1004.4208661420.

Adding to 1013321317 its reverse (7131233101), we get a palindrome (8144554418).

The spelling of 1013321317 in words is "one billion, thirteen million, three hundred twenty-one thousand, three hundred seventeen".