1131038303 has 2 divisors, whose sum is σ = 1131038304. Its totient is φ = 1131038302.

The previous prime is 1131038297. The next prime is 1131038351. The reversal of 1131038303 is 3038301311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131038303 - 2⁸ = 1131038047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131038353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565519151 + 565519152.

It is an arithmetic number, because the mean of its divisors is an integer number (565519152).

Almost surely, 2^1131038303 is an apocalyptic number.

1131038303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131038303 is an equidigital number, since it uses as much as digits as its factorization.

1131038303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1131038303 is about 33630.9129076212. The cubic root of 1131038303 is about 1041.8993591422.

Adding to 1131038303 its reverse (3038301311), we get a palindrome (4169339614).

The spelling of 1131038303 in words is "one billion, one hundred thirty-one million, thirty-eight thousand, three hundred three".