30109190 has 16 divisors (see below), whose sum is σ = 54358992. Its totient is φ = 12007584.

The previous prime is 30109147. The next prime is 30109201. The reversal of 30109190 is 9190103.

It is a super-2 number, since 2×30109190² = 1813126644912200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869 + ... + 7808.

It is an arithmetic number, because the mean of its divisors is an integer number (3397437).

Almost surely, 2^30109190 is an apocalyptic number.

30109190 is a deficient number, since it is larger than the sum of its proper divisors (24249802).

30109190 is a wasteful number, since it uses less digits than its factorization.

30109190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 30109190 is about 5487.1841594756. The cubic root of 30109190 is about 311.0997705144.

Adding to 30109190 its reverse (9190103), we get a palindrome (39299293).

The spelling of 30109190 in words is "thirty million, one hundred nine thousand, one hundred ninety".