113203053 has 6 divisors (see below), whose sum is σ = 163515534. Its totient is φ = 75468696.

The previous prime is 113203049. The next prime is 113203063. The reversal of 113203053 is 350302311.

It can be written as a sum of positive squares in only one way, i.e., 84879369 + 28323684 = 9213^2 + 5322^2 .

It is not a de Polignac number, because 113203053 - 2² = 113203049 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113203063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6289050 + ... + 6289067.

It is an arithmetic number, because the mean of its divisors is an integer number (27252589).

Almost surely, 2^113203053 is an apocalyptic number.

It is an amenable number.

113203053 is a deficient number, since it is larger than the sum of its proper divisors (50312481).

113203053 is a wasteful number, since it uses less digits than its factorization.

113203053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12578123 (or 12578120 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 113203053 is about 10639.6923357774. The cubic root of 113203053 is about 483.7482198520.

Adding to 113203053 its reverse (350302311), we get a palindrome (463505364).

The spelling of 113203053 in words is "one hundred thirteen million, two hundred three thousand, fifty-three".