113312387 has 2 divisors, whose sum is σ = 113312388. Its totient is φ = 113312386.

The previous prime is 113312377. The next prime is 113312399. The reversal of 113312387 is 783213311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113312387 - 2⁸ = 113312131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113312377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56656193 + 56656194.

It is an arithmetic number, because the mean of its divisors is an integer number (56656194).

Almost surely, 2^113312387 is an apocalyptic number.

113312387 is a deficient number, since it is larger than the sum of its proper divisors (1).

113312387 is an equidigital number, since it uses as much as digits as its factorization.

113312387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 113312387 is about 10644.8291202818. The cubic root of 113312387 is about 483.9039079662.

Adding to 113312387 its reverse (783213311), we get a palindrome (896525698).

The spelling of 113312387 in words is "one hundred thirteen million, three hundred twelve thousand, three hundred eighty-seven".