11430311203 has 2 divisors, whose sum is σ = 11430311204. Its totient is φ = 11430311202.

The previous prime is 11430311171. The next prime is 11430311231. The reversal of 11430311203 is 30211303411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11430311203 - 2⁵ = 11430311171 is a prime.

It is not a weakly prime, because it can be changed into another prime (11430311903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715155601 + 5715155602.

It is an arithmetic number, because the mean of its divisors is an integer number (5715155602).

Almost surely, 2^11430311203 is an apocalyptic number.

11430311203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11430311203 is an equidigital number, since it uses as much as digits as its factorization.

11430311203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11430311203 its reverse (30211303411), we get a palindrome (41641614614).

The spelling of 11430311203 in words is "eleven billion, four hundred thirty million, three hundred eleven thousand, two hundred three".