1131041312 has 24 divisors (see below), whose sum is σ = 2242999836. Its totient is φ = 561390592.

The previous prime is 1131041309. The next prime is 1131041363. The reversal of 1131041312 is 2131401311.

It can be written as a sum of positive squares in 2 ways, for example, as 1060414096 + 70627216 = 32564^2 + 8404^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124613 + ... + 133380.

Almost surely, 2^1131041312 is an apocalyptic number.

It is an amenable number.

1131041312 is a deficient number, since it is larger than the sum of its proper divisors (1111958524).

1131041312 is a wasteful number, since it uses less digits than its factorization.

1131041312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258140 (or 258132 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1131041312 is about 33630.9576432191. The cubic root of 1131041312 is about 1041.9002830934.

Adding to 1131041312 its reverse (2131401311), we get a palindrome (3262442623).

The spelling of 1131041312 in words is "one billion, one hundred thirty-one million, forty-one thousand, three hundred twelve".