113333291 has 2 divisors, whose sum is σ = 113333292. Its totient is φ = 113333290.

The previous prime is 113333261. The next prime is 113333317. The reversal of 113333291 is 192333311.

It is an a-pointer prime, because the next prime (113333317) can be obtained adding 113333291 to its sum of digits (26).

It is a strong prime.

It is an emirp because it is prime and its reverse (192333311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113333291 - 2²² = 109138987 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113333291.

It is not a weakly prime, because it can be changed into another prime (113333221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56666645 + 56666646.

It is an arithmetic number, because the mean of its divisors is an integer number (56666646).

Almost surely, 2^113333291 is an apocalyptic number.

113333291 is a deficient number, since it is larger than the sum of its proper divisors (1).

113333291 is an equidigital number, since it uses as much as digits as its factorization.

113333291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 26.

The square root of 113333291 is about 10645.8109601852. The cubic root of 113333291 is about 483.9336631871.

The spelling of 113333291 in words is "one hundred thirteen million, three hundred thirty-three thousand, two hundred ninety-one".