13230131231 has 8 divisors (see below), whose sum is σ = 13885158240. Its totient is φ = 12581754592.

The previous prime is 13230131227. The next prime is 13230131249. The reversal of 13230131231 is 13213103231.

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 13230131231 - 2² = 13230131227 is a prime.

It is a super-2 number, since 2×13230131231² (a number of 21 digits) 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 (13230131251) 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, 1658516 + ... + 1666473.

It is an arithmetic number, because the mean of its divisors is an integer number (1735644780).

Almost surely, 2^13230131231 is an apocalyptic number.

13230131231 is a deficient number, since it is larger than the sum of its proper divisors (655027009).

13230131231 is a wasteful number, since it uses less digits than its factorization.

13230131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325185.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13230131231 its reverse (13213103231), we get a palindrome (26443234462).

The spelling of 13230131231 in words is "thirteen billion, two hundred thirty million, one hundred thirty-one thousand, two hundred thirty-one".