1131142003 has 4 divisors (see below), whose sum is σ = 1133963208. Its totient is φ = 1128320800.

The previous prime is 1131141959. The next prime is 1131142031. The reversal of 1131142003 is 3002411311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3002411311 = 683 ⋅4395917.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131142003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131142403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410001 + ... + 1410802.

It is an arithmetic number, because the mean of its divisors is an integer number (283490802).

Almost surely, 2^1131142003 is an apocalyptic number.

1131142003 is a deficient number, since it is larger than the sum of its proper divisors (2821205).

1131142003 is an equidigital number, since it uses as much as digits as its factorization.

1131142003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821204.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1131142003 is about 33632.4546086068. The cubic root of 1131142003 is about 1041.9312005813.

Adding to 1131142003 its reverse (3002411311), we get a palindrome (4133553314).

The spelling of 1131142003 in words is "one billion, one hundred thirty-one million, one hundred forty-two thousand, three".