1131004303 has 12 divisors (see below), whose sum is σ = 1338800344. Its totient is φ = 949093200.

The previous prime is 1131004297. The next prime is 1131004307. The reversal of 1131004303 is 3034001311.

It is not a de Polignac number, because 1131004303 - 2⁹ = 1131003791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131004307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357933 + ... + 361078.

Almost surely, 2^1131004303 is an apocalyptic number.

1131004303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1131004303 is a deficient number, since it is larger than the sum of its proper divisors (207796041).

1131004303 is a wasteful number, since it uses less digits than its factorization.

1131004303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719046 (or 719035 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1131004303 is about 33630.4074165033. The cubic root of 1131004303 is about 1041.8889189025. Note that the first 3 decimals are identical.

Adding to 1131004303 its reverse (3034001311), we get a palindrome (4165005614).

The spelling of 1131004303 in words is "one billion, one hundred thirty-one million, four thousand, three hundred three".