30103421 has 8 divisors (see below), whose sum is σ = 31372920. Its totient is φ = 28849408.

The previous prime is 30103399. The next prime is 30103427. The reversal of 30103421 is 12430103.

It can be written as a sum of positive squares in 4 ways, for example, as 280900 + 29822521 = 530^2 + 5461^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30103421 - 2¹⁴ = 30087037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30103396 and 30103405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 185 + ... + 7761.

It is an arithmetic number, because the mean of its divisors is an integer number (3921615).

Almost surely, 2^30103421 is an apocalyptic number.

It is an amenable number.

30103421 is a deficient number, since it is larger than the sum of its proper divisors (1269499).

30103421 is a wasteful number, since it uses less digits than its factorization.

30103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30103421 is about 5486.6584548339. The cubic root of 30103421 is about 311.0799000672.

Adding to 30103421 its reverse (12430103), we get a palindrome (42533524).

The spelling of 30103421 in words is "thirty million, one hundred three thousand, four hundred twenty-one".