11303203391 has 2 divisors, whose sum is σ = 11303203392. Its totient is φ = 11303203390.

The previous prime is 11303203349. The next prime is 11303203393. The reversal of 11303203391 is 19330230311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11303203391 is a prime.

Together with 11303203393, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11303203391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11303203393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651601695 + 5651601696.

It is an arithmetic number, because the mean of its divisors is an integer number (5651601696).

Almost surely, 2^11303203391 is an apocalyptic number.

11303203391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303203391 is an equidigital number, since it uses as much as digits as its factorization.

11303203391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 26.

The spelling of 11303203391 in words is "eleven billion, three hundred three million, two hundred three thousand, three hundred ninety-one".