13131320022131 has 2 divisors, whose sum is σ = 13131320022132. Its totient is φ = 13131320022130.

The previous prime is 13131320022091. The next prime is 13131320022179. The reversal of 13131320022131 is 13122002313131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13131320022131 - 2¹⁴ = 13131320005747 is a prime.

It is a super-2 number, since 2×13131320022131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13131320022097 and 13131320022106.

It is not a weakly prime, because it can be changed into another prime (13131320012131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565660011065 + 6565660011066.

It is an arithmetic number, because the mean of its divisors is an integer number (6565660011066).

Almost surely, 2^{13131320022131} is an apocalyptic number.

13131320022131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131320022131 is an equidigital number, since it uses as much as digits as its factorization.

13131320022131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13131320022131 its reverse (13122002313131), we get a palindrome (26253322335262).

The spelling of 13131320022131 in words is "thirteen trillion, one hundred thirty-one billion, three hundred twenty million, twenty-two thousand, one hundred thirty-one".