14021112431 has 4 divisors (see below), whose sum is σ = 14149746600. Its totient is φ = 13892478264.

The previous prime is 14021112401. The next prime is 14021112437. The reversal of 14021112431 is 13421112041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13421112041 = 673 ⋅19942217.

It is a cyclic number.

It is not a de Polignac number, because 14021112431 - 2¹⁸ = 14020850287 is a prime.

It is a super-2 number, since 2×14021112431² (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 (14021112437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64316921 + ... + 64317138.

It is an arithmetic number, because the mean of its divisors is an integer number (3537436650).

Almost surely, 2^14021112431 is an apocalyptic number.

14021112431 is a deficient number, since it is larger than the sum of its proper divisors (128634169).

14021112431 is a wasteful number, since it uses less digits than its factorization.

14021112431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128634168.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 14021112431 its reverse (13421112041), we get a palindrome (27442224472).

The spelling of 14021112431 in words is "fourteen billion, twenty-one million, one hundred twelve thousand, four hundred thirty-one".