30103101 has 18 divisors (see below), whose sum is σ = 50582142. Its totient is φ = 17201520.

The previous prime is 30103081. The next prime is 30103103. The reversal of 30103101 is 10130103.

It can be written as a sum of positive squares in only one way, i.e., 16597476 + 13505625 = 4074^2 + 3675^2 .

It is not a de Polignac number, because 30103101 - 2⁶ = 30103037 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103103) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33690 + ... + 34571.

It is an arithmetic number, because the mean of its divisors is an integer number (2810119).

Almost surely, 2^30103101 is an apocalyptic number.

It is an amenable number.

30103101 is a deficient number, since it is larger than the sum of its proper divisors (20479041).

30103101 is a wasteful number, since it uses less digits than its factorization.

30103101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68281 (or 68271 counting only the distinct ones).

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

The square root of 30103101 is about 5486.6292931088. The cubic root of 30103101 is about 311.0787978013.

Adding to 30103101 its reverse (10130103), we get a palindrome (40233204).

It can be divided in two parts, 30103 and 101, that multiplied together give a palindrome (3040403).

The spelling of 30103101 in words is "thirty million, one hundred three thousand, one hundred one".