11231310203 has 2 divisors, whose sum is σ = 11231310204. Its totient is φ = 11231310202.

The previous prime is 11231310163. The next prime is 11231310217. The reversal of 11231310203 is 30201313211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11231310203 - 2¹⁰ = 11231309179 is a prime.

It is a super-2 number, since 2×11231310203² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11231310263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615655101 + 5615655102.

It is an arithmetic number, because the mean of its divisors is an integer number (5615655102).

Almost surely, 2^11231310203 is an apocalyptic number.

11231310203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231310203 is an equidigital number, since it uses as much as digits as its factorization.

11231310203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11231310203 its reverse (30201313211), we get a palindrome (41432623414).

The spelling of 11231310203 in words is "eleven billion, two hundred thirty-one million, three hundred ten thousand, two hundred three".