13931274241 has 2 divisors, whose sum is σ = 13931274242. Its totient is φ = 13931274240.

The previous prime is 13931274209. The next prime is 13931274251. The reversal of 13931274241 is 14247213931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9564840000 + 4366434241 = 97800^2 + 66079^2 .

It is a cyclic number.

It is not a de Polignac number, because 13931274241 - 2⁵ = 13931274209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13931274241.

It is not a weakly prime, because it can be changed into another prime (13931274251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6965637120 + 6965637121.

It is an arithmetic number, because the mean of its divisors is an integer number (6965637121).

Almost surely, 2^13931274241 is an apocalyptic number.

It is an amenable number.

13931274241 is a deficient number, since it is larger than the sum of its proper divisors (1).

13931274241 is an equidigital number, since it uses as much as digits as its factorization.

13931274241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The spelling of 13931274241 in words is "thirteen billion, nine hundred thirty-one million, two hundred seventy-four thousand, two hundred forty-one".