21024330314 has 16 divisors (see below), whose sum is σ = 35439005952. Its totient is φ = 9281643888.

The previous prime is 21024330311. The next prime is 21024330317. The reversal of 21024330314 is 41303342012.

It is an interprime number because it is at equal distance from previous prime (21024330311) and next prime (21024330317).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 21024330314.

It is not an unprimeable number, because it can be changed into a prime (21024330311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17578274 + ... + 17579469.

It is an arithmetic number, because the mean of its divisors is an integer number (2214937872).

Almost surely, 2^21024330314 is an apocalyptic number.

21024330314 is a deficient number, since it is larger than the sum of its proper divisors (14414675638).

21024330314 is a wasteful number, since it uses less digits than its factorization.

21024330314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35157781.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21024330314 its reverse (41303342012), we get a palindrome (62327672326).

The spelling of 21024330314 in words is "twenty-one billion, twenty-four million, three hundred thirty thousand, three hundred fourteen".