14145320331 has 8 divisors (see below), whose sum is σ = 20956030160. Its totient is φ = 9430213536.

The previous prime is 14145320323. The next prime is 14145320347. The reversal of 14145320331 is 13302354141.

It is a happy number.

14145320331 is a `hidden beast` number, since 1 + 4 + 1 + 4 + 5 + 320 + 331 = 666.

It is not a de Polignac number, because 14145320331 - 2³ = 14145320323 is a prime.

It is a super-2 number, since 2×14145320331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 523900753 = 14145320331 / (1 + 4 + 1 + 4 + 5 + 3 + 2 + 0 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14145320295 and 14145320304.

It is not an unprimeable number, because it can be changed into a prime (14145320311) 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, 261950350 + ... + 261950403.

It is an arithmetic number, because the mean of its divisors is an integer number (2619503770).

Almost surely, 2^14145320331 is an apocalyptic number.

14145320331 is a deficient number, since it is larger than the sum of its proper divisors (6810709829).

14145320331 is an equidigital number, since it uses as much as digits as its factorization.

14145320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523900762 (or 523900756 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 14145320331 its reverse (13302354141), we get a palindrome (27447674472).

The spelling of 14145320331 in words is "fourteen billion, one hundred forty-five million, three hundred twenty thousand, three hundred thirty-one".