113203051 has 16 divisors (see below), whose sum is σ = 129717504. Its totient is φ = 97864704.

The previous prime is 113203049. The next prime is 113203063. The reversal of 113203051 is 150302311.

It is a cyclic number.

It is not a de Polignac number, because 113203051 - 2¹ = 113203049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113203021) 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 15 ways as a sum of consecutive naturals, for example, 48135 + ... + 50431.

It is an arithmetic number, because the mean of its divisors is an integer number (8107344).

Almost surely, 2^113203051 is an apocalyptic number.

113203051 is a deficient number, since it is larger than the sum of its proper divisors (16514453).

113203051 is a wasteful number, since it uses less digits than its factorization.

113203051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550.

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

The square root of 113203051 is about 10639.6922417897. The cubic root of 113203051 is about 483.7482170032.

Adding to 113203051 its reverse (150302311), we get a palindrome (263505362).

The spelling of 113203051 in words is "one hundred thirteen million, two hundred three thousand, fifty-one".