183281130 has 80 divisors (see below), whose sum is σ = 494989704. Its totient is φ = 48660480.

The previous prime is 183281129. The next prime is 183281177. The reversal of 183281130 is 31182381.

183281130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 169598529 + 13682601 = 13023^2 + 3699^2 .

It is a super-2 number, since 2×183281130² = 67183945228153800, which contains 22 as substring.

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 = 183281094 and 183281103.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 285610 + ... + 286250.

Almost surely, 2^183281130 is an apocalyptic number.

183281130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 183281130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247494852).

183281130 is an abundant number, since it is smaller than the sum of its proper divisors (311708574).

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

183281130 is a wasteful number, since it uses less digits than its factorization.

183281130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 183281130 is about 13538.1361346383. The cubic root of 183281130 is about 568.0317152330.

The spelling of 183281130 in words is "one hundred eighty-three million, two hundred eighty-one thousand, one hundred thirty".