11313220349 has 2 divisors, whose sum is σ = 11313220350. Its totient is φ = 11313220348.

The previous prime is 11313220327. The next prime is 11313220351. The reversal of 11313220349 is 94302231311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11303517124 + 9703225 = 106318^2 + 3115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11313220349 is a prime.

Together with 11313220351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11313220309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656610174 + 5656610175.

It is an arithmetic number, because the mean of its divisors is an integer number (5656610175).

Almost surely, 2^11313220349 is an apocalyptic number.

It is an amenable number.

11313220349 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313220349 is an equidigital number, since it uses as much as digits as its factorization.

11313220349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 11313220349 in words is "eleven billion, three hundred thirteen million, two hundred twenty thousand, three hundred forty-nine".