11312430203 has 2 divisors, whose sum is σ = 11312430204. Its totient is φ = 11312430202.

The previous prime is 11312430191. The next prime is 11312430221. The reversal of 11312430203 is 30203421311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11312430203 - 2¹⁰ = 11312429179 is a prime.

It is not a weakly prime, because it can be changed into another prime (11312430223) 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 as a sum of consecutive naturals, namely, 5656215101 + 5656215102.

It is an arithmetic number, because the mean of its divisors is an integer number (5656215102).

Almost surely, 2^11312430203 is an apocalyptic number.

11312430203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312430203 is an equidigital number, since it uses as much as digits as its factorization.

11312430203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11312430203 its reverse (30203421311), we get a palindrome (41515851514).

The spelling of 11312430203 in words is "eleven billion, three hundred twelve million, four hundred thirty thousand, two hundred three".