1131033043 has 6 divisors (see below), whose sum is σ = 1315691556. Its totient is φ = 969456852.

The previous prime is 1131033041. The next prime is 1131033077. The reversal of 1131033043 is 3403301311.

It is not a de Polignac number, because 1131033043 - 2¹ = 1131033041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131033043.

It is not an unprimeable number, because it can be changed into a prime (1131033041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11541105 + ... + 11541202.

It is an arithmetic number, because the mean of its divisors is an integer number (219281926).

Almost surely, 2^1131033043 is an apocalyptic number.

1131033043 is a deficient number, since it is larger than the sum of its proper divisors (184658513).

1131033043 is an equidigital number, since it uses as much as digits as its factorization.

1131033043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23082321 (or 23082314 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1131033043 is about 33630.8347056685. The cubic root of 1131033043 is about 1041.8977439894.

Adding to 1131033043 its reverse (3403301311), we get a palindrome (4534334354).

The spelling of 1131033043 in words is "one billion, one hundred thirty-one million, thirty-three thousand, forty-three".