113331247 has 2 divisors, whose sum is σ = 113331248. Its totient is φ = 113331246.

The previous prime is 113331161. The next prime is 113331263. The reversal of 113331247 is 742133311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113331247 - 2¹¹ = 113329199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113331847) 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, 56665623 + 56665624.

It is an arithmetic number, because the mean of its divisors is an integer number (56665624).

Almost surely, 2^113331247 is an apocalyptic number.

113331247 is a deficient number, since it is larger than the sum of its proper divisors (1).

113331247 is an equidigital number, since it uses as much as digits as its factorization.

113331247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 113331247 is about 10645.7149595506. The cubic root of 113331247 is about 483.9307538732.

Adding to 113331247 its reverse (742133311), we get a palindrome (855464558).

The spelling of 113331247 in words is "one hundred thirteen million, three hundred thirty-one thousand, two hundred forty-seven".