4020431341043 has 16 divisors (see below), whose sum is σ = 4352798086560. Its totient is φ = 3691374736896.

The previous prime is 4020431341033. The next prime is 4020431341067. The reversal of 4020431341043 is 3401431340204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4020431341043 - 2⁶ = 4020431340979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4020431340997 and 4020431341015.

It is not an unprimeable number, because it can be changed into a prime (4020431341033) 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, 9804923 + ... + 10206731.

It is an arithmetic number, because the mean of its divisors is an integer number (272049880410).

Almost surely, 2^{4020431341043} is an apocalyptic number.

4020431341043 is a deficient number, since it is larger than the sum of its proper divisors (332366745517).

4020431341043 is a wasteful number, since it uses less digits than its factorization.

4020431341043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405926.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 4020431341043 its reverse (3401431340204), we get a palindrome (7421862681247).

The spelling of 4020431341043 in words is "four trillion, twenty billion, four hundred thirty-one million, three hundred forty-one thousand, forty-three".