21200301233131 has 4 divisors (see below), whose sum is σ = 21208592319472. Its totient is φ = 21192010146792.

The previous prime is 21200301233113. The next prime is 21200301233183. The reversal of 21200301233131 is 13133210300212.

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 21200301233131 - 2⁵ = 21200301233099 is a prime.

It is a super-2 number, since 2×21200301233131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21200301233731) 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, 4145539335 + ... + 4145544448.

It is an arithmetic number, because the mean of its divisors is an integer number (5302148079868).

Almost surely, 2^{21200301233131} is an apocalyptic number.

21200301233131 is a deficient number, since it is larger than the sum of its proper divisors (8291086341).

21200301233131 is an equidigital number, since it uses as much as digits as its factorization.

21200301233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291086340.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21200301233131 its reverse (13133210300212), we get a palindrome (34333511533343).

The spelling of 21200301233131 in words is "twenty-one trillion, two hundred billion, three hundred one million, two hundred thirty-three thousand, one hundred thirty-one".