21130300302 has 16 divisors (see below), whose sum is σ = 42268028160. Its totient is φ = 7042195512.

The previous prime is 21130300291. The next prime is 21130300313. The reversal of 21130300302 is 20300303112.

It is an interprime number because it is at equal distance from previous prime (21130300291) and next prime (21130300313).

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, 272152 + ... + 341067.

It is an arithmetic number, because the mean of its divisors is an integer number (2641751760).

Almost surely, 2^21130300302 is an apocalyptic number.

21130300302 is an abundant number, since it is smaller than the sum of its proper divisors (21137727858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21130300302 is a wasteful number, since it uses less digits than its factorization.

21130300302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618967.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 21130300302 its reverse (20300303112), we get a palindrome (41430603414).

The spelling of 21130300302 in words is "twenty-one billion, one hundred thirty million, three hundred thousand, three hundred two".