21131341301203 has 4 divisors (see below), whose sum is σ = 24150104344240. Its totient is φ = 18112578258168.

The previous prime is 21131341301179. The next prime is 21131341301249. The reversal of 21131341301203 is 30210314313112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21131341301203 - 2⁵ = 21131341301171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21131341001203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509381521508 + ... + 1509381521521.

It is an arithmetic number, because the mean of its divisors is an integer number (6037526086060).

Almost surely, 2^{21131341301203} is an apocalyptic number.

21131341301203 is a deficient number, since it is larger than the sum of its proper divisors (3018763043037).

21131341301203 is an equidigital number, since it uses as much as digits as its factorization.

21131341301203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018763043036.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 21131341301203 its reverse (30210314313112), we get a palindrome (51341655614315).

The spelling of 21131341301203 in words is "twenty-one trillion, one hundred thirty-one billion, three hundred forty-one million, three hundred one thousand, two hundred three".