113221319 has 2 divisors, whose sum is σ = 113221320. Its totient is φ = 113221318.

The previous prime is 113221271. The next prime is 113221349. The reversal of 113221319 is 913122311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113221319 is a prime.

It is a super-2 number, since 2×113221319² = 25638134152199522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113221294 and 113221303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113221349) 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, 56610659 + 56610660.

It is an arithmetic number, because the mean of its divisors is an integer number (56610660).

Almost surely, 2^113221319 is an apocalyptic number.

113221319 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221319 is an equidigital number, since it uses as much as digits as its factorization.

113221319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 23.

The square root of 113221319 is about 10640.5506906363. The cubic root of 113221319 is about 483.7742370236.

The spelling of 113221319 in words is "one hundred thirteen million, two hundred twenty-one thousand, three hundred nineteen".