30421042303 has 4 divisors (see below), whose sum is σ = 30590992440. Its totient is φ = 30251092168.

The previous prime is 30421042259. The next prime is 30421042373. The reversal of 30421042303 is 30324012403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30421042303 - 2²⁹ = 29884171391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421042373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84974800 + ... + 84975157.

It is an arithmetic number, because the mean of its divisors is an integer number (7647748110).

Almost surely, 2^30421042303 is an apocalyptic number.

30421042303 is a deficient number, since it is larger than the sum of its proper divisors (169950137).

30421042303 is a wasteful number, since it uses less digits than its factorization.

30421042303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169950136.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30421042303 its reverse (30324012403), we get a palindrome (60745054706).

The spelling of 30421042303 in words is "thirty billion, four hundred twenty-one million, forty-two thousand, three hundred three".