13931524133 has 2 divisors, whose sum is σ = 13931524134. Its totient is φ = 13931524132.

The previous prime is 13931524121. The next prime is 13931524163. The reversal of 13931524133 is 33142513931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13694148484 + 237375649 = 117022^2 + 15407^2 .

It is a cyclic number.

It is not a de Polignac number, because 13931524133 - 2⁸ = 13931523877 is a prime.

It is a super-2 number, since 2×13931524133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13931524093 and 13931524102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13931524163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6965762066 + 6965762067.

It is an arithmetic number, because the mean of its divisors is an integer number (6965762067).

Almost surely, 2^13931524133 is an apocalyptic number.

It is an amenable number.

13931524133 is a deficient number, since it is larger than the sum of its proper divisors (1).

13931524133 is an equidigital number, since it uses as much as digits as its factorization.

13931524133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 35.

The spelling of 13931524133 in words is "thirteen billion, nine hundred thirty-one million, five hundred twenty-four thousand, one hundred thirty-three".