1132887231 has 12 divisors (see below), whose sum is σ = 1870163152. Its totient is φ = 647364096.

The previous prime is 1132887221. The next prime is 1132887247. The reversal of 1132887231 is 1327882311.

It is not a de Polignac number, because 1132887231 - 2⁵ = 1132887199 is a prime.

It is a super-2 number, since 2×1132887231² = 2566866956325694722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132887221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8991106 + ... + 8991231.

Almost surely, 2^1132887231 is an apocalyptic number.

1132887231 is a deficient number, since it is larger than the sum of its proper divisors (737275921).

1132887231 is a wasteful number, since it uses less digits than its factorization.

1132887231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17982350 (or 17982347 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 1132887231 is about 33658.3902021472. The cubic root of 1132887231 is about 1042.4667870653.

The spelling of 1132887231 in words is "one billion, one hundred thirty-two million, eight hundred eighty-seven thousand, two hundred thirty-one".