14401220231 has 4 divisors (see below), whose sum is σ = 14402485200. Its totient is φ = 14399955264.

The previous prime is 14401220209. The next prime is 14401220237. The reversal of 14401220231 is 13202210441.

14401220231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13202210441 = 7 ⋅1886030063.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14401220231 is a prime.

It is a super-2 number, since 2×14401220231² (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 (14401220237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615251 + ... + 638228.

It is an arithmetic number, because the mean of its divisors is an integer number (3600621300).

Almost surely, 2^14401220231 is an apocalyptic number.

14401220231 is a deficient number, since it is larger than the sum of its proper divisors (1264969).

14401220231 is a wasteful number, since it uses less digits than its factorization.

14401220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264968.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 14401220231 its reverse (13202210441), we get a palindrome (27603430672).

The spelling of 14401220231 in words is "fourteen billion, four hundred one million, two hundred twenty thousand, two hundred thirty-one".