11311000343 has 2 divisors, whose sum is σ = 11311000344. Its totient is φ = 11311000342.

The previous prime is 11311000319. The next prime is 11311000357. The reversal of 11311000343 is 34300011311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11311000343 - 2¹⁰ = 11310999319 is a prime.

It is a super-2 number, since 2×11311000343² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311000373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655500171 + 5655500172.

It is an arithmetic number, because the mean of its divisors is an integer number (5655500172).

Almost surely, 2^11311000343 is an apocalyptic number.

11311000343 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311000343 is an equidigital number, since it uses as much as digits as its factorization.

11311000343 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 11311000343 its reverse (34300011311), we get a palindrome (45611011654).

The spelling of 11311000343 in words is "eleven billion, three hundred eleven million, three hundred forty-three", and thus it is an aban number.