1131565314 has 32 divisors (see below), whose sum is σ = 2529092160. Its totient is φ = 334534400.

The previous prime is 1131565291. The next prime is 1131565321. The reversal of 1131565314 is 4135651311.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 206379 + ... + 211790.

It is an arithmetic number, because the mean of its divisors is an integer number (79034130).

Almost surely, 2^1131565314 is an apocalyptic number.

1131565314 is an abundant number, since it is smaller than the sum of its proper divisors (1397526846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131565314 is a wasteful number, since it uses less digits than its factorization.

1131565314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418226.

The product of its digits is 5400, while the sum is 30.

The square root of 1131565314 is about 33638.7472121065. The cubic root of 1131565314 is about 1042.0611594868.

The spelling of 1131565314 in words is "one billion, one hundred thirty-one million, five hundred sixty-five thousand, three hundred fourteen".