11311022003 has 2 divisors, whose sum is σ = 11311022004. Its totient is φ = 11311022002.

The previous prime is 11311021991. The next prime is 11311022033. The reversal of 11311022003 is 30022011311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11311022003 - 2¹⁰ = 11311020979 is a prime.

It is not a weakly prime, because it can be changed into another prime (11311022033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655511001 + 5655511002.

It is an arithmetic number, because the mean of its divisors is an integer number (5655511002).

Almost surely, 2^11311022003 is an apocalyptic number.

11311022003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311022003 is an equidigital number, since it uses as much as digits as its factorization.

11311022003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11311022003 its reverse (30022011311), we get a palindrome (41333033314).

The spelling of 11311022003 in words is "eleven billion, three hundred eleven million, twenty-two thousand, three".