13131021121303 has 2 divisors, whose sum is σ = 13131021121304. Its totient is φ = 13131021121302.

The previous prime is 13131021121297. The next prime is 13131021121307. The reversal of 13131021121303 is 30312112013131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13131021121303 - 2⁴¹ = 10931997865751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13131021121307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565510560651 + 6565510560652.

It is an arithmetic number, because the mean of its divisors is an integer number (6565510560652).

Almost surely, 2^{13131021121303} is an apocalyptic number.

13131021121303 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131021121303 is an equidigital number, since it uses as much as digits as its factorization.

13131021121303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13131021121303 its reverse (30312112013131), we get a palindrome (43443133134434).

The spelling of 13131021121303 in words is "thirteen trillion, one hundred thirty-one billion, twenty-one million, one hundred twenty-one thousand, three hundred three".