21344100302 has 16 divisors (see below), whose sum is σ = 36592238592. Its totient is φ = 9146883480.

The previous prime is 21344100277. The next prime is 21344100313. The reversal of 21344100302 is 20300144312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232163 + ... + 310785.

It is an arithmetic number, because the mean of its divisors is an integer number (2287014912).

Almost surely, 2^21344100302 is an apocalyptic number.

21344100302 is a deficient number, since it is larger than the sum of its proper divisors (15248138290).

21344100302 is a wasteful number, since it uses less digits than its factorization.

21344100302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98023.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21344100302 its reverse (20300144312), we get a palindrome (41644244614).

The spelling of 21344100302 in words is "twenty-one billion, three hundred forty-four million, one hundred thousand, three hundred two".