21303113350 has 48 divisors (see below), whose sum is σ = 40499122176. Its totient is φ = 8334900000.

The previous prime is 21303113323. The next prime is 21303113399. The reversal of 21303113350 is 5331130312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 427225 + ... + 474475.

It is an arithmetic number, because the mean of its divisors is an integer number (843731712).

Almost surely, 2^21303113350 is an apocalyptic number.

21303113350 is a deficient number, since it is larger than the sum of its proper divisors (19196008826).

21303113350 is a wasteful number, since it uses less digits than its factorization.

21303113350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47461 (or 47456 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 21303113350 its reverse (5331130312), we get a palindrome (26634243662).

The spelling of 21303113350 in words is "twenty-one billion, three hundred three million, one hundred thirteen thousand, three hundred fifty".