4021444234131 has 4 divisors (see below), whose sum is σ = 5361925645512. Its totient is φ = 2680962822752.

The previous prime is 4021444234123. The next prime is 4021444234187. The reversal of 4021444234131 is 1314324441204.

It is a happy number.

4021444234131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4021444234131 - 2³ = 4021444234123 is a prime.

It is a super-2 number, since 2×4021444234131² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021444234092 and 4021444234101.

It is not an unprimeable number, because it can be changed into a prime (4021444234121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670240705686 + ... + 670240705691.

It is an arithmetic number, because the mean of its divisors is an integer number (1340481411378).

Almost surely, 2^{4021444234131} is an apocalyptic number.

4021444234131 is a deficient number, since it is larger than the sum of its proper divisors (1340481411381).

4021444234131 is a wasteful number, since it uses less digits than its factorization.

4021444234131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340481411380.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 4021444234131 its reverse (1314324441204), we get a palindrome (5335768675335).

The spelling of 4021444234131 in words is "four trillion, twenty-one billion, four hundred forty-four million, two hundred thirty-four thousand, one hundred thirty-one".