30200181 has 8 divisors (see below), whose sum is σ = 43927584. Its totient is φ = 18303120.

The previous prime is 30200167. The next prime is 30200197. The reversal of 30200181 is 18100203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30200181 - 2⁶ = 30200117 is a prime.

It is a super-2 number, since 2×30200181² = 1824101864865522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30200181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457546 + ... + 457611.

It is an arithmetic number, because the mean of its divisors is an integer number (5490948).

Almost surely, 2^30200181 is an apocalyptic number.

It is an amenable number.

30200181 is a deficient number, since it is larger than the sum of its proper divisors (13727403).

30200181 is a wasteful number, since it uses less digits than its factorization.

30200181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915171.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 30200181 is about 5495.4691337501. The cubic root of 30200181 is about 311.4128400657.

Adding to 30200181 its reverse (18100203), we get a palindrome (48300384).

It can be divided in two parts, 30200 and 181, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 30200181 in words is "thirty million, two hundred thousand, one hundred eighty-one".