113443391 has 2 divisors, whose sum is σ = 113443392. Its totient is φ = 113443390.

The previous prime is 113443381. The next prime is 113443403. The reversal of 113443391 is 193344311.

It is a weak prime.

It is an emirp because it is prime and its reverse (193344311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113443391 - 2⁶ = 113443327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113443361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56721695 + 56721696.

It is an arithmetic number, because the mean of its divisors is an integer number (56721696).

Almost surely, 2^113443391 is an apocalyptic number.

113443391 is a deficient number, since it is larger than the sum of its proper divisors (1).

113443391 is an equidigital number, since it uses as much as digits as its factorization.

113443391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 113443391 is about 10650.9807529636. The cubic root of 113443391 is about 484.0903216337.

The spelling of 113443391 in words is "one hundred thirteen million, four hundred forty-three thousand, three hundred ninety-one".