13311231203 has 2 divisors, whose sum is σ = 13311231204. Its totient is φ = 13311231202.

The previous prime is 13311231179. The next prime is 13311231221. The reversal of 13311231203 is 30213211331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13311231203 - 2¹² = 13311227107 is a prime.

It is a super-2 number, since 2×13311231203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13331231203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655615601 + 6655615602.

It is an arithmetic number, because the mean of its divisors is an integer number (6655615602).

Almost surely, 2^13311231203 is an apocalyptic number.

13311231203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311231203 is an equidigital number, since it uses as much as digits as its factorization.

13311231203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13311231203 its reverse (30213211331), we get a palindrome (43524442534).

The spelling of 13311231203 in words is "thirteen billion, three hundred eleven million, two hundred thirty-one thousand, two hundred three".