21300131231103 has 8 divisors (see below), whose sum is σ = 28400231950000. Its totient is φ = 14200058999808.

The previous prime is 21300131231089. The next prime is 21300131231107. The reversal of 21300131231103 is 30113213100312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21300131231103 - 2¹² = 21300131227007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21300131231103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300131231107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5311528 + ... + 8415021.

It is an arithmetic number, because the mean of its divisors is an integer number (3550028993750).

Almost surely, 2^{21300131231103} is an apocalyptic number.

21300131231103 is a deficient number, since it is larger than the sum of its proper divisors (7100100718897).

21300131231103 is a wasteful number, since it uses less digits than its factorization.

21300131231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243801.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21300131231103 its reverse (30113213100312), we get a palindrome (51413344331415).

The spelling of 21300131231103 in words is "twenty-one trillion, three hundred billion, one hundred thirty-one million, two hundred thirty-one thousand, one hundred three".