21422014031 has 16 divisors (see below), whose sum is σ = 24506508960. Its totient is φ = 18545425920.

The previous prime is 21422013971. The next prime is 21422014067. The reversal of 21422014031 is 13041022412.

It is a cyclic number.

It is not a de Polignac number, because 21422014031 - 2³⁰ = 20348272207 is a prime.

It is a super-2 number, since 2×21422014031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21422013994 and 21422014012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21422014931) 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, 436670 + ... + 483243.

It is an arithmetic number, because the mean of its divisors is an integer number (1531656810).

Almost surely, 2^21422014031 is an apocalyptic number.

21422014031 is a deficient number, since it is larger than the sum of its proper divisors (3084494929).

21422014031 is a wasteful number, since it uses less digits than its factorization.

21422014031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920026.

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

Adding to 21422014031 its reverse (13041022412), we get a palindrome (34463036443).

The spelling of 21422014031 in words is "twenty-one billion, four hundred twenty-two million, fourteen thousand, thirty-one".