113315243 has 2 divisors, whose sum is σ = 113315244. Its totient is φ = 113315242.

The previous prime is 113315207. The next prime is 113315249. The reversal of 113315243 is 342513311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113315243 - 2¹⁶ = 113249707 is a prime.

It is a super-2 number, since 2×113315243² = 25680688592298098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113315249) 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, 56657621 + 56657622.

It is an arithmetic number, because the mean of its divisors is an integer number (56657622).

Almost surely, 2^113315243 is an apocalyptic number.

113315243 is a deficient number, since it is larger than the sum of its proper divisors (1).

113315243 is an equidigital number, since it uses as much as digits as its factorization.

113315243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 113315243 is about 10644.9632690771. The cubic root of 113315243 is about 483.9079734763.

Adding to 113315243 its reverse (342513311), we get a palindrome (455828554).

The spelling of 113315243 in words is "one hundred thirteen million, three hundred fifteen thousand, two hundred forty-three".