1131583230 has 32 divisors (see below), whose sum is σ = 3017556000. Its totient is φ = 301755456.

The previous prime is 1131583199. The next prime is 1131583237. The reversal of 1131583230 is 323851311.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1131583194 and 1131583203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131583237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2095255 + ... + 2095794.

It is an arithmetic number, because the mean of its divisors is an integer number (94298625).

Almost surely, 2^1131583230 is an apocalyptic number.

1131583230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131583230 is an abundant number, since it is smaller than the sum of its proper divisors (1885972770).

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

1131583230 is a wasteful number, since it uses less digits than its factorization.

1131583230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191065 (or 4191059 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1131583230 is about 33639.0135111005. The cubic root of 1131583230 is about 1042.0666590866.

The spelling of 1131583230 in words is "one billion, one hundred thirty-one million, five hundred eighty-three thousand, two hundred thirty".