1131201303 has 16 divisors (see below), whose sum is σ = 1538753760. Its totient is φ = 739042304.

The previous prime is 1131201299. The next prime is 1131201329. The reversal of 1131201303 is 3031021311.

It is a cyclic number.

It is not a de Polignac number, because 1131201303 - 2² = 1131201299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131201343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11425 + ... + 48917.

It is an arithmetic number, because the mean of its divisors is an integer number (96172110).

Almost surely, 2^1131201303 is an apocalyptic number.

1131201303 is a deficient number, since it is larger than the sum of its proper divisors (407552457).

1131201303 is a wasteful number, since it uses less digits than its factorization.

1131201303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37698.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1131201303 is about 33633.3361859926. The cubic root of 1131201303 is about 1041.9494079742.

Adding to 1131201303 its reverse (3031021311), we get a palindrome (4162222614).

The spelling of 1131201303 in words is "one billion, one hundred thirty-one million, two hundred one thousand, three hundred three".