113012503 has 2 divisors, whose sum is σ = 113012504. Its totient is φ = 113012502.

The previous prime is 113012489. The next prime is 113012509. The reversal of 113012503 is 305210311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113012503 - 2⁹ = 113011991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113012509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56506251 + 56506252.

It is an arithmetic number, because the mean of its divisors is an integer number (56506252).

Almost surely, 2^113012503 is an apocalyptic number.

113012503 is a deficient number, since it is larger than the sum of its proper divisors (1).

113012503 is an equidigital number, since it uses as much as digits as its factorization.

113012503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 113012503 is about 10630.7338881189. The cubic root of 113012503 is about 483.4766429843.

Adding to 113012503 its reverse (305210311), we get a palindrome (418222814).

The spelling of 113012503 in words is "one hundred thirteen million, twelve thousand, five hundred three".