1000113203 has 16 divisors (see below), whose sum is σ = 1070006400. Its totient is φ = 932057280.

The previous prime is 1000113197. The next prime is 1000113253. The reversal of 1000113203 is 3023110001.

1000113203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1000113203 - 2¹² = 1000109107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000113253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355400 + ... + 358202.

It is an arithmetic number, because the mean of its divisors is an integer number (66875400).

Almost surely, 2^1000113203 is an apocalyptic number.

1000113203 is a deficient number, since it is larger than the sum of its proper divisors (69893197).

1000113203 is a wasteful number, since it uses less digits than its factorization.

1000113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1000113203 is about 31624.5664476211. The cubic root of 1000113203 is about 1000.0377329095.

Adding to 1000113203 its reverse (3023110001), we get a palindrome (4023223204).

The spelling of 1000113203 in words is "one billion, one hundred thirteen thousand, two hundred three".