1131162384 has 40 divisors (see below), whose sum is σ = 3187822752. Its totient is φ = 342776320.

The previous prime is 1131162271. The next prime is 1131162391. The reversal of 1131162384 is 4832611311.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070649 + ... + 1071704.

Almost surely, 2^1131162384 is an apocalyptic number.

It is an amenable number.

1131162384 is an abundant number, since it is smaller than the sum of its proper divisors (2056660368).

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

1131162384 is a wasteful number, since it uses less digits than its factorization.

1131162384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142375 (or 2142369 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 1131162384 is about 33632.7576032653. The cubic root of 1131162384 is about 1041.9374584081.

Adding to 1131162384 its reverse (4832611311), we get a palindrome (5963773695).

The spelling of 1131162384 in words is "one billion, one hundred thirty-one million, one hundred sixty-two thousand, three hundred eighty-four".