11430431303 has 4 divisors (see below), whose sum is σ = 11431108320. Its totient is φ = 11429754288.

The previous prime is 11430431297. The next prime is 11430431329. The reversal of 11430431303 is 30313403411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11430431303 - 2⁶ = 11430431239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430431333) 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, 312518 + ... + 347171.

It is an arithmetic number, because the mean of its divisors is an integer number (2857777080).

Almost surely, 2^11430431303 is an apocalyptic number.

11430431303 is a deficient number, since it is larger than the sum of its proper divisors (677017).

11430431303 is an equidigital number, since it uses as much as digits as its factorization.

11430431303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677016.

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

Adding to 11430431303 its reverse (30313403411), we get a palindrome (41743834714).

The spelling of 11430431303 in words is "eleven billion, four hundred thirty million, four hundred thirty-one thousand, three hundred three".