1131522352 has 40 divisors (see below), whose sum is σ = 2408060160. Its totient is φ = 512677440.

The previous prime is 1131522349. The next prime is 1131522373. The reversal of 1131522352 is 2532251311.

It is a super-2 number, since 2×1131522352² = 2560685666151223808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73924 + ... + 87907.

It is an arithmetic number, because the mean of its divisors is an integer number (60201504).

Almost surely, 2^1131522352 is an apocalyptic number.

It is an amenable number.

1131522352 is an abundant number, since it is smaller than the sum of its proper divisors (1276537808).

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

1131522352 is a wasteful number, since it uses less digits than its factorization.

1131522352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161881 (or 161875 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 1131522352 is about 33638.1086269725. The cubic root of 1131522352 is about 1042.0479713843.

Adding to 1131522352 its reverse (2532251311), we get a palindrome (3663773663).

The spelling of 1131522352 in words is "one billion, one hundred thirty-one million, five hundred twenty-two thousand, three hundred fifty-two".