13522523231 has 64 divisors (see below), whose sum is σ = 17650483200. Its totient is φ = 10082133504.

The previous prime is 13522523221. The next prime is 13522523243. The reversal of 13522523231 is 13232522531.

It is a cyclic number.

It is not a de Polignac number, because 13522523231 - 2¹⁰ = 13522522207 is a prime.

It is a super-2 number, since 2×13522523231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13522523194 and 13522523203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522523221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22277330 + ... + 22277936.

It is an arithmetic number, because the mean of its divisors is an integer number (275788800).

Almost surely, 2^13522523231 is an apocalyptic number.

13522523231 is a deficient number, since it is larger than the sum of its proper divisors (4127959969).

13522523231 is a wasteful number, since it uses less digits than its factorization.

13522523231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its digits is 10800, while the sum is 29.

The spelling of 13522523231 in words is "thirteen billion, five hundred twenty-two million, five hundred twenty-three thousand, two hundred thirty-one".