4043242431213 has 16 divisors (see below), whose sum is σ = 5410059403776. Its totient is φ = 2685970361520.

The previous prime is 4043242431203. The next prime is 4043242431269. The reversal of 4043242431213 is 3121342423404.

It is not a de Polignac number, because 4043242431213 - 2⁹ = 4043242430701 is a prime.

It is a super-2 number, since 2×4043242431213² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043242431203) 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, 325320 + ... + 2862222.

It is an arithmetic number, because the mean of its divisors is an integer number (338128712736).

Almost surely, 2^{4043242431213} is an apocalyptic number.

It is an amenable number.

4043242431213 is a deficient number, since it is larger than the sum of its proper divisors (1366816972563).

4043242431213 is a wasteful number, since it uses less digits than its factorization.

4043242431213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538784.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 4043242431213 its reverse (3121342423404), we get a palindrome (7164584854617).

The spelling of 4043242431213 in words is "four trillion, forty-three billion, two hundred forty-two million, four hundred thirty-one thousand, two hundred thirteen".