1113430433 has 4 divisors (see below), whose sum is σ = 1139324208. Its totient is φ = 1087536660.

The previous prime is 1113430411. The next prime is 1113430459. The reversal of 1113430433 is 3340343111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3340343111 = 7 ⋅477191873.

It is a cyclic number.

It is not a de Polignac number, because 1113430433 - 2¹² = 1113426337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113430399 and 1113430408.

It is not an unprimeable number, because it can be changed into a prime (1113430403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12946823 + ... + 12946908.

It is an arithmetic number, because the mean of its divisors is an integer number (284831052).

Almost surely, 2^1113430433 is an apocalyptic number.

It is an amenable number.

1113430433 is a deficient number, since it is larger than the sum of its proper divisors (25893775).

1113430433 is an equidigital number, since it uses as much as digits as its factorization.

1113430433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25893774.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1113430433 is about 33368.1050256079. The cubic root of 1113430433 is about 1036.4643350307.

Adding to 1113430433 its reverse (3340343111), we get a palindrome (4453773544).

The spelling of 1113430433 in words is "one billion, one hundred thirteen million, four hundred thirty thousand, four hundred thirty-three".