113311000503 has 12 divisors (see below), whose sum is σ = 165260489680. Its totient is φ = 74807261856.

The previous prime is 113311000493. The next prime is 113311000513. The reversal of 113311000503 is 305000113311.

It is an interprime number because it is at equal distance from previous prime (113311000493) and next prime (113311000513).

It is not a de Polignac number, because 113311000503 - 2²⁶ = 113243891639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113311000513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61116118 + ... + 61117971.

Almost surely, 2^113311000503 is an apocalyptic number.

113311000503 is a deficient number, since it is larger than the sum of its proper divisors (51949489177).

113311000503 is a wasteful number, since it uses less digits than its factorization.

113311000503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122234198 (or 122234195 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

Adding to 113311000503 its reverse (305000113311), we get a palindrome (418311113814).

The spelling of 113311000503 in words is "one hundred thirteen billion, three hundred eleven million, five hundred three", and thus it is an aban number.