1131523324 has 12 divisors (see below), whose sum is σ = 1980982584. Its totient is φ = 565528304.

The previous prime is 1131523319. The next prime is 1131523331. The reversal of 1131523324 is 4233251311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47194 + ... + 67009.

It is an arithmetic number, because the mean of its divisors is an integer number (165081882).

Almost surely, 2^1131523324 is an apocalyptic number.

It is an amenable number.

1131523324 is a deficient number, since it is larger than the sum of its proper divisors (849459260).

1131523324 is a wasteful number, since it uses less digits than its factorization.

1131523324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116684 (or 116682 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 1131523324 is about 33638.1230748685. The cubic root of 1131523324 is about 1042.0482697641.

Adding to 1131523324 its reverse (4233251311), we get a palindrome (5364774635).

The spelling of 1131523324 in words is "one billion, one hundred thirty-one million, five hundred twenty-three thousand, three hundred twenty-four".