30201102 has 48 divisors (see below), whose sum is σ = 67899312. Its totient is φ = 9694080.

The previous prime is 30201091. The next prime is 30201137. The reversal of 30201102 is 20110203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 23 ways as a sum of consecutive naturals, for example, 91077 + ... + 91407.

It is an arithmetic number, because the mean of its divisors is an integer number (1414569).

Almost surely, 2^30201102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30201102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33949656).

30201102 is an abundant number, since it is smaller than the sum of its proper divisors (37698210).

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

30201102 is a wasteful number, since it uses less digits than its factorization.

30201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 30201102 is about 5495.5529294148. The cubic root of 30201102 is about 311.4160057014.

Adding to 30201102 its reverse (20110203), we get a palindrome (50311305).

It can be divided in two parts, 30201 and 102, that added together give a palindrome (30303).

The spelling of 30201102 in words is "thirty million, two hundred one thousand, one hundred two".