13042231 has 8 divisors (see below), whose sum is σ = 13280400. Its totient is φ = 12806400.

The previous prime is 13042207. The next prime is 13042259. The reversal of 13042231 is 13224031.

It is a happy number.

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 13042231 - 2¹³ = 13034039 is a prime.

It is a super-2 number, since 2×13042231² = 340199578914722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040231) 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 7 ways as a sum of consecutive naturals, for example, 13575 + ... + 14503.

It is an arithmetic number, because the mean of its divisors is an integer number (1660050).

Almost surely, 2^13042231 is an apocalyptic number.

13042231 is a deficient number, since it is larger than the sum of its proper divisors (238169).

13042231 is a wasteful number, since it uses less digits than its factorization.

13042231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13042231 is about 3611.4029129966. The cubic root of 13042231 is about 235.3878069338.

Adding to 13042231 its reverse (13224031), we get a palindrome (26266262).

The spelling of 13042231 in words is "thirteen million, forty-two thousand, two hundred thirty-one".