13221202233131 has 8 divisors (see below), whose sum is σ = 13503926629440. Its totient is φ = 12938537096128.

The previous prime is 13221202233097. The next prime is 13221202233143. The reversal of 13221202233131 is 13133220212231.

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

It is a cyclic number.

It is not a de Polignac number, because 13221202233131 - 2⁶ = 13221202233067 is a prime.

It is a super-2 number, since 2×13221202233131² (a number of 27 digits) contains 22 as substring.

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 13221202233131.

It is not an unprimeable number, because it can be changed into a prime (13221202233331) 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, 14363696 + ... + 15256413.

It is an arithmetic number, because the mean of its divisors is an integer number (1687990828680).

Almost surely, 2^{13221202233131} is an apocalyptic number.

13221202233131 is a deficient number, since it is larger than the sum of its proper divisors (282724396309).

13221202233131 is an equidigital number, since it uses as much as digits as its factorization.

13221202233131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29629653.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 13221202233131 its reverse (13133220212231), we get a palindrome (26354422445362).

The spelling of 13221202233131 in words is "thirteen trillion, two hundred twenty-one billion, two hundred two million, two hundred thirty-three thousand, one hundred thirty-one".