21430014303 has 8 divisors (see below), whose sum is σ = 28579710208. Its totient is φ = 14283497304.

The previous prime is 21430014301. The next prime is 21430014323. The reversal of 21430014303 is 30341003412.

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

It is not a de Polignac number, because 21430014303 - 2¹ = 21430014301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21430014303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21430014301) 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 7 ways as a sum of consecutive naturals, for example, 778951 + ... + 805992.

It is an arithmetic number, because the mean of its divisors is an integer number (3572463776).

Almost surely, 2^21430014303 is an apocalyptic number.

21430014303 is a deficient number, since it is larger than the sum of its proper divisors (7149695905).

21430014303 is a wasteful number, since it uses less digits than its factorization.

21430014303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589453.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21430014303 its reverse (30341003412), we get a palindrome (51771017715).

The spelling of 21430014303 in words is "twenty-one billion, four hundred thirty million, fourteen thousand, three hundred three".