13535521031 has 2 divisors, whose sum is σ = 13535521032. Its totient is φ = 13535521030.

The previous prime is 13535520997. The next prime is 13535521063. The reversal of 13535521031 is 13012553531.

It is a happy number.

13535521031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13535521031 - 2¹⁰ = 13535520007 is a prime.

It is a super-2 number, since 2×13535521031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13535520985 and 13535521003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13535521231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6767760515 + 6767760516.

It is an arithmetic number, because the mean of its divisors is an integer number (6767760516).

Almost surely, 2^13535521031 is an apocalyptic number.

13535521031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13535521031 is an equidigital number, since it uses as much as digits as its factorization.

13535521031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 29.

The spelling of 13535521031 in words is "thirteen billion, five hundred thirty-five million, five hundred twenty-one thousand, thirty-one".