21431414344124 has 12 divisors (see below), whose sum is σ = 37505013273000. Its totient is φ = 10715696266128.

The previous prime is 21431414344099. The next prime is 21431414344163. The reversal of 21431414344124 is 42144341413412.

It is a super-4 number, since 4×21431414344124⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3059162 + ... + 7226430.

It is an arithmetic number, because the mean of its divisors is an integer number (3125417772750).

Almost surely, 2^{21431414344124} is an apocalyptic number.

It is an amenable number.

21431414344124 is a deficient number, since it is larger than the sum of its proper divisors (16073598928876).

21431414344124 is a wasteful number, since it uses less digits than its factorization.

21431414344124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452972 (or 5452970 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

Adding to 21431414344124 its reverse (42144341413412), we get a palindrome (63575755757536).

The spelling of 21431414344124 in words is "twenty-one trillion, four hundred thirty-one billion, four hundred fourteen million, three hundred forty-four thousand, one hundred twenty-four".