1131113003 has 4 divisors (see below), whose sum is σ = 1197649080. Its totient is φ = 1064576928.

The previous prime is 1131112991. The next prime is 1131113017. The reversal of 1131113003 is 3003111311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1131113003 - 2⁸ = 1131112747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131113033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33268013 + ... + 33268046.

It is an arithmetic number, because the mean of its divisors is an integer number (299412270).

Almost surely, 2^1131113003 is an apocalyptic number.

1131113003 is a deficient number, since it is larger than the sum of its proper divisors (66536077).

1131113003 is an equidigital number, since it uses as much as digits as its factorization.

1131113003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66536076.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1131113003 is about 33632.0234746588. The cubic root of 1131113003 is about 1041.9222962283.

Adding to 1131113003 its reverse (3003111311), we get a palindrome (4134224314).

The spelling of 1131113003 in words is "one billion, one hundred thirty-one million, one hundred thirteen thousand, three".