181310030 has 48 divisors (see below), whose sum is σ = 371165760. Its totient is φ = 63645120.

The previous prime is 181310029. The next prime is 181310039. The reversal of 181310030 is 30013181.

181310030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 181309990 and 181310008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181310039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32507 + ... + 37673.

It is an arithmetic number, because the mean of its divisors is an integer number (7732620).

Almost surely, 2^181310030 is an apocalyptic number.

181310030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

181310030 is an abundant number, since it is smaller than the sum of its proper divisors (189855730).

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

181310030 is a wasteful number, since it uses less digits than its factorization.

181310030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225 (or 5214 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 181310030 is about 13465.1412914978. The cubic root of 181310030 is about 565.9880692712.

The spelling of 181310030 in words is "one hundred eighty-one million, three hundred ten thousand, thirty".