30390102 has 24 divisors (see below), whose sum is σ = 67452840. Its totient is φ = 9882720.

The previous prime is 30390097. The next prime is 30390127. The reversal of 30390102 is 20109303.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19852 + ... + 21327.

It is an arithmetic number, because the mean of its divisors is an integer number (2810535).

Almost surely, 2^30390102 is an apocalyptic number.

30390102 is an abundant number, since it is smaller than the sum of its proper divisors (37062738).

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

30390102 is a wasteful number, since it uses less digits than its factorization.

30390102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41228 (or 41225 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 30390102 is about 5512.7218322712. The cubic root of 30390102 is about 312.0642742335.

Adding to 30390102 its reverse (20109303), we get a palindrome (50499405).

The spelling of 30390102 in words is "thirty million, three hundred ninety thousand, one hundred two".