180131130 has 48 divisors (see below), whose sum is σ = 476292960. Its totient is φ = 47219424.

The previous prime is 180131113. The next prime is 180131179. The reversal of 180131130 is 31131081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11652 + ... + 22271.

It is an arithmetic number, because the mean of its divisors is an integer number (9922770).

Almost surely, 2^180131130 is an apocalyptic number.

180131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180131130 is an abundant number, since it is smaller than the sum of its proper divisors (296161830).

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

180131130 is a wasteful number, since it uses less digits than its factorization.

180131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33995 (or 33992 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 180131130 is about 13421.2939018561. The cubic root of 180131130 is about 564.7586929969.

The spelling of 180131130 in words is "one hundred eighty million, one hundred thirty-one thousand, one hundred thirty".