21304022314 has 32 divisors (see below), whose sum is σ = 32672684880. Its totient is φ = 10416384000.

The previous prime is 21304022309. The next prime is 21304022329. The reversal of 21304022314 is 41322040312.

It can be written as a sum of positive squares in 8 ways, for example, as 15608754225 + 5695268089 = 124935^2 + 75467^2 .

It is a super-2 number, since 2×21304022314² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7770984 + ... + 7773724.

Almost surely, 2^21304022314 is an apocalyptic number.

21304022314 is a deficient number, since it is larger than the sum of its proper divisors (11368662566).

21304022314 is a wasteful number, since it uses less digits than its factorization.

21304022314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21304022314 its reverse (41322040312), we get a palindrome (62626062626).

The spelling of 21304022314 in words is "twenty-one billion, three hundred four million, twenty-two thousand, three hundred fourteen".