11030303421 has 6 divisors (see below), whose sum is σ = 15932660510. Its totient is φ = 7353535608.

The previous prime is 11030303363. The next prime is 11030303423. The reversal of 11030303421 is 12430303011.

11030303421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9368110521 + 1662192900 = 96789^2 + 40770^2 .

It is not a de Polignac number, because 11030303421 - 2⁶ = 11030303357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11030303394 and 11030303403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030303423) 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 5 ways as a sum of consecutive naturals, for example, 612794626 + ... + 612794643.

Almost surely, 2^11030303421 is an apocalyptic number.

It is an amenable number.

11030303421 is a deficient number, since it is larger than the sum of its proper divisors (4902357089).

11030303421 is a wasteful number, since it uses less digits than its factorization.

11030303421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225589275 (or 1225589272 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11030303421 its reverse (12430303011), we get a palindrome (23460606432).

The spelling of 11030303421 in words is "eleven billion, thirty million, three hundred three thousand, four hundred twenty-one".