14311911021 has 16 divisors (see below), whose sum is σ = 19661071680. Its totient is φ = 9256058240.

The previous prime is 14311911011. The next prime is 14311911113. The reversal of 14311911021 is 12011911341.

It is a cyclic number.

It is not a de Polignac number, because 14311911021 - 2²⁷ = 14177693293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14311910982 and 14311911000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14311911011) 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 15 ways as a sum of consecutive naturals, for example, 491535 + ... + 519836.

It is an arithmetic number, because the mean of its divisors is an integer number (1228816980).

Almost surely, 2^14311911021 is an apocalyptic number.

It is an amenable number.

14311911021 is a deficient number, since it is larger than the sum of its proper divisors (5349160659).

14311911021 is a wasteful number, since it uses less digits than its factorization.

14311911021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011516.

The product of its (nonzero) digits is 216, while the sum is 24.

The spelling of 14311911021 in words is "fourteen billion, three hundred eleven million, nine hundred eleven thousand, twenty-one".