13533231241 has 8 divisors (see below), whose sum is σ = 13556526984. Its totient is φ = 13509957120.

The previous prime is 13533231233. The next prime is 13533231281. The reversal of 13533231241 is 14213233531.

It can be written as a sum of positive squares in 4 ways, for example, as 1582368841 + 11950862400 = 39779^2 + 109320^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13533231241 - 2³ = 13533231233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13533231221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654201 + ... + 1662361.

It is an arithmetic number, because the mean of its divisors is an integer number (1694565873).

Almost surely, 2^13533231241 is an apocalyptic number.

It is an amenable number.

13533231241 is a deficient number, since it is larger than the sum of its proper divisors (23295743).

13533231241 is a wasteful number, since it uses less digits than its factorization.

13533231241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10811.

The product of its digits is 6480, while the sum is 28.

Adding to 13533231241 its reverse (14213233531), we get a palindrome (27746464772).

The spelling of 13533231241 in words is "thirteen billion, five hundred thirty-three million, two hundred thirty-one thousand, two hundred forty-one".