13230231 has 16 divisors (see below), whose sum is σ = 20542464. Its totient is φ = 7416864.

The previous prime is 13230223. The next prime is 13230253. The reversal of 13230231 is 13203231.

13230231 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13230231 - 2³ = 13230223 is a prime.

It is a super-2 number, since 2×13230231² = 350078024626722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13230231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4831 + ... + 7056.

It is an arithmetic number, because the mean of its divisors is an integer number (1283904).

Almost surely, 2^13230231 is an apocalyptic number.

13230231 is a deficient number, since it is larger than the sum of its proper divisors (7312233).

13230231 is a wasteful number, since it uses less digits than its factorization.

13230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11950.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13230231 is about 3637.3384500208. The cubic root of 13230231 is about 236.5134314103.

Adding to 13230231 its reverse (13203231), we get a palindrome (26433462).

Subtracting from 13230231 its reverse (13203231), we obtain a cube (27000 = 30³).

The spelling of 13230231 in words is "thirteen million, two hundred thirty thousand, two hundred thirty-one".