21000131441300 has 216 divisors, whose sum is σ = 52530252432000. Its totient is φ = 7267668883200.

The previous prime is 21000131441293. The next prime is 21000131441327. The reversal of 21000131441300 is 314413100012.

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 71 ways as a sum of consecutive naturals, for example, 55192106 + ... + 55571294.

Almost surely, 2^{21000131441300} is an apocalyptic number.

21000131441300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21000131441300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26265126216000).

21000131441300 is an abundant number, since it is smaller than the sum of its proper divisors (31530120990700).

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

21000131441300 is a wasteful number, since it uses less digits than its factorization.

21000131441300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379447 (or 379429 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21000131441300 its reverse (314413100012), we get a palindrome (21314544541312).

The spelling of 21000131441300 in words is "twenty-one trillion, one hundred thirty-one million, four hundred forty-one thousand, three hundred".