113213017 has 2 divisors, whose sum is σ = 113213018. Its totient is φ = 113213016.

The previous prime is 113213003. The next prime is 113213027. The reversal of 113213017 is 710312311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69705801 + 43507216 = 8349^2 + 6596^2 .

It is a cyclic number.

It is not a de Polignac number, because 113213017 - 2¹¹ = 113210969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113212985 and 113213003.

It is not a weakly prime, because it can be changed into another prime (113213027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606508 + 56606509.

It is an arithmetic number, because the mean of its divisors is an integer number (56606509).

Almost surely, 2^113213017 is an apocalyptic number.

It is an amenable number.

113213017 is a deficient number, since it is larger than the sum of its proper divisors (1).

113213017 is an equidigital number, since it uses as much as digits as its factorization.

113213017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 113213017 is about 10640.1605720966. The cubic root of 113213017 is about 483.7624124193.

Adding to 113213017 its reverse (710312311), we get a palindrome (823525328).

The spelling of 113213017 in words is "one hundred thirteen million, two hundred thirteen thousand, seventeen".