13321203212131 has 4 divisors (see below), whose sum is σ = 13321730580064. Its totient is φ = 13320675844200.

The previous prime is 13321203212117. The next prime is 13321203212197. The reversal of 13321203212131 is 13121230212331.

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 13321203212131 - 2¹⁵ = 13321203179363 is a prime.

It is a super-2 number, since 2×13321203212131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13321203212096 and 13321203212105.

It is not an unprimeable number, because it can be changed into a prime (13321203212831) 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, 263646075 + ... + 263696596.

It is an arithmetic number, because the mean of its divisors is an integer number (3330432645016).

Almost surely, 2^{13321203212131} is an apocalyptic number.

13321203212131 is a deficient number, since it is larger than the sum of its proper divisors (527367933).

13321203212131 is an equidigital number, since it uses as much as digits as its factorization.

13321203212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527367932.

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

Adding to 13321203212131 its reverse (13121230212331), we get a palindrome (26442433424462).

The spelling of 13321203212131 in words is "thirteen trillion, three hundred twenty-one billion, two hundred three million, two hundred twelve thousand, one hundred thirty-one".