4020113442431 has 8 divisors (see below), whose sum is σ = 4096035866160. Its totient is φ = 3944193656832.

The previous prime is 4020113442421. The next prime is 4020113442451. The reversal of 4020113442431 is 1342443110204.

4020113442431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4020113442431 - 2¹⁸ = 4020113180287 is a prime.

It is a super-2 number, since 2×4020113442431² (a number of 26 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 = 4020113442394 and 4020113442403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020113442421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2564351 + ... + 3823103.

It is an arithmetic number, because the mean of its divisors is an integer number (512004483270).

Almost surely, 2^{4020113442431} is an apocalyptic number.

4020113442431 is a deficient number, since it is larger than the sum of its proper divisors (75922423729).

4020113442431 is a wasteful number, since it uses less digits than its factorization.

4020113442431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319065.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4020113442431 its reverse (1342443110204), we get a palindrome (5362556552635).

The spelling of 4020113442431 in words is "four trillion, twenty billion, one hundred thirteen million, four hundred forty-two thousand, four hundred thirty-one".