30102086 has 8 divisors (see below), whose sum is σ = 51603600. Its totient is φ = 12900888.

The previous prime is 30102071. The next prime is 30102089. The reversal of 30102086 is 68020103.

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

It is a super-2 number, since 2×30102086² = 1812271163102792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075061 + ... + 1075088.

It is an arithmetic number, because the mean of its divisors is an integer number (6450450).

Almost surely, 2^30102086 is an apocalyptic number.

30102086 is a deficient number, since it is larger than the sum of its proper divisors (21501514).

30102086 is a wasteful number, since it uses less digits than its factorization.

30102086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150158.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 30102086 is about 5486.5367947367. The cubic root of 30102086 is about 311.0753015001.

Adding to 30102086 its reverse (68020103), we get a palindrome (98122189).

The spelling of 30102086 in words is "thirty million, one hundred two thousand, eighty-six".