21230341001300 has 36 divisors (see below), whose sum is σ = 46085965843260. Its totient is φ = 8489163889920.

The previous prime is 21230341001293. The next prime is 21230341001339. The reversal of 21230341001300 is 310014303212.

It can be written as a sum of positive squares in 6 ways, for example, as 1279075045444 + 19951265955856 = 1130962^2 + 4466684^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36869255 + ... + 37440654.

Almost surely, 2^{21230341001300} is an apocalyptic number.

21230341001300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21230341001300 is an abundant number, since it is smaller than the sum of its proper divisors (24855624841960).

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

21230341001300 is a wasteful number, since it uses less digits than its factorization.

21230341001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74312780 (or 74312773 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21230341001300 its reverse (310014303212), we get a palindrome (21540355304512).

The spelling of 21230341001300 in words is "twenty-one trillion, two hundred thirty billion, three hundred forty-one million, one thousand, three hundred".