13522522131 has 32 divisors (see below), whose sum is σ = 20487816000. Its totient is φ = 8811788544.

The previous prime is 13522522067. The next prime is 13522522147. The reversal of 13522522131 is 13122522531.

13522522131 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 2 + 522 + 131 = 666.

It is not a de Polignac number, because 13522522131 - 2⁶ = 13522522067 is a prime.

It is a super-2 number, since 2×13522522131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13522522095 and 13522522104.

It is not an unprimeable number, because it can be changed into a prime (13522522631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367375 + ... + 402503.

It is an arithmetic number, because the mean of its divisors is an integer number (640244250).

Almost surely, 2^13522522131 is an apocalyptic number.

13522522131 is a deficient number, since it is larger than the sum of its proper divisors (6965293869).

13522522131 is a wasteful number, since it uses less digits than its factorization.

13522522131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35460 (or 35454 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The spelling of 13522522131 in words is "thirteen billion, five hundred twenty-two million, five hundred twenty-two thousand, one hundred thirty-one".