4020310304243 has 4 divisors (see below), whose sum is σ = 4040717970960. Its totient is φ = 3999902637528.

The previous prime is 4020310304149. The next prime is 4020310304251. The reversal of 4020310304243 is 3424030130204.

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 4020310304243 - 2²⁶ = 4020243195379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020310204243) 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, 10203833063 + ... + 10203833456.

It is an arithmetic number, because the mean of its divisors is an integer number (1010179492740).

Almost surely, 2^{4020310304243} is an apocalyptic number.

4020310304243 is a deficient number, since it is larger than the sum of its proper divisors (20407666717).

4020310304243 is a wasteful number, since it uses less digits than its factorization.

4020310304243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20407666716.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 4020310304243 its reverse (3424030130204), we get a palindrome (7444340434447).

The spelling of 4020310304243 in words is "four trillion, twenty billion, three hundred ten million, three hundred four thousand, two hundred forty-three".