1113430203 has 6 divisors (see below), whose sum is σ = 1608288084. Its totient is φ = 742286796.

The previous prime is 1113430169. The next prime is 1113430217. The reversal of 1113430203 is 3020343111.

It is not a de Polignac number, because 1113430203 - 2²¹ = 1111333051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113430223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61857225 + ... + 61857242.

It is an arithmetic number, because the mean of its divisors is an integer number (268048014).

Almost surely, 2^1113430203 is an apocalyptic number.

1113430203 is a deficient number, since it is larger than the sum of its proper divisors (494857881).

1113430203 is a wasteful number, since it uses less digits than its factorization.

1113430203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123714473 (or 123714470 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1113430203 is about 33368.1015792029. The cubic root of 1113430203 is about 1036.4642636636.

Adding to 1113430203 its reverse (3020343111), we get a palindrome (4133773314).

The spelling of 1113430203 in words is "one billion, one hundred thirteen million, four hundred thirty thousand, two hundred three".