13230444231 has 16 divisors (see below), whose sum is σ = 19613521920. Its totient is φ = 8814507480.

The previous prime is 13230444229. The next prime is 13230444233. The reversal of 13230444231 is 13244403231.

13230444231 is a `hidden beast` number, since 1 + 3 + 230 + 4 + 4 + 423 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (13230444229) and next prime (13230444233).

It is not a de Polignac number, because 13230444231 - 2¹ = 13230444229 is a prime.

It is a super-2 number, since 2×13230444231² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13230444195 and 13230444204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230444233) 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, 118695 + ... + 201368.

It is an arithmetic number, because the mean of its divisors is an integer number (1225845120).

Almost surely, 2^13230444231 is an apocalyptic number.

13230444231 is a deficient number, since it is larger than the sum of its proper divisors (6383077689).

13230444231 is a wasteful number, since it uses less digits than its factorization.

13230444231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321603 (or 321597 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13230444231 its reverse (13244403231), we get a palindrome (26474847462).

The spelling of 13230444231 in words is "thirteen billion, two hundred thirty million, four hundred forty-four thousand, two hundred thirty-one".