11381303 has 2 divisors, whose sum is σ = 11381304. Its totient is φ = 11381302.

The previous prime is 11381299. The next prime is 11381317. The reversal of 11381303 is 30318311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11381303 - 2² = 11381299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11381353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5690651 + 5690652.

It is an arithmetic number, because the mean of its divisors is an integer number (5690652).

Almost surely, 2^11381303 is an apocalyptic number.

11381303 is a deficient number, since it is larger than the sum of its proper divisors (1).

11381303 is an equidigital number, since it uses as much as digits as its factorization.

11381303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11381303 is about 3373.6186802898. The cubic root of 11381303 is about 224.9386038244.

Adding to 11381303 its reverse (30318311), we get a palindrome (41699614).

It can be divided in two parts, 11381 and 303, that multiplied together give a palindrome (3448443).

The spelling of 11381303 in words is "eleven million, three hundred eighty-one thousand, three hundred three".