1013211317 has 2 divisors, whose sum is σ = 1013211318. Its totient is φ = 1013211316.

The previous prime is 1013211301. The next prime is 1013211343. The reversal of 1013211317 is 7131123101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970883281 + 42328036 = 31159^2 + 6506^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013211317 - 2⁴ = 1013211301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013211377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506605658 + 506605659.

It is an arithmetic number, because the mean of its divisors is an integer number (506605659).

Almost surely, 2^1013211317 is an apocalyptic number.

It is an amenable number.

1013211317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013211317 is an equidigital number, since it uses as much as digits as its factorization.

1013211317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1013211317 is about 31830.9804592947. The cubic root of 1013211317 is about 1004.3845202197.

Adding to 1013211317 its reverse (7131123101), we get a palindrome (8144334418).

The spelling of 1013211317 in words is "one billion, thirteen million, two hundred eleven thousand, three hundred seventeen".