13004255231 has 8 divisors (see below), whose sum is σ = 14187312000. Its totient is φ = 11821340440.

The previous prime is 13004255219. The next prime is 13004255249. The reversal of 13004255231 is 13255240031.

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 13004255231 - 2¹⁸ = 13003993087 is a prime.

It is a super-2 number, since 2×13004255231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13004255231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004255261) 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, 271550 + ... + 315828.

It is an arithmetic number, because the mean of its divisors is an integer number (1773414000).

Almost surely, 2^13004255231 is an apocalyptic number.

13004255231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13004255231 is a deficient number, since it is larger than the sum of its proper divisors (1183056769).

13004255231 is a wasteful number, since it uses less digits than its factorization.

13004255231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70989.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13004255231 its reverse (13255240031), we get a palindrome (26259495262).

The spelling of 13004255231 in words is "thirteen billion, four million, two hundred fifty-five thousand, two hundred thirty-one".