4243811379831 has 32 divisors (see below), whose sum is σ = 6445052478720. Its totient is φ = 2758796550432.

The previous prime is 4243811379817. The next prime is 4243811379833. The reversal of 4243811379831 is 1389731183424.

4243811379831 is a `hidden beast` number, since 4 + 2 + 438 + 113 + 7 + 98 + 3 + 1 = 666.

It is not a de Polignac number, because 4243811379831 - 2¹⁷ = 4243811248759 is a prime.

It is a super-2 number, since 2×4243811379831² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243811379833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8863761 + ... + 9330266.

It is an arithmetic number, because the mean of its divisors is an integer number (201407889960).

Almost surely, 2^{4243811379831} is an apocalyptic number.

4243811379831 is a deficient number, since it is larger than the sum of its proper divisors (2201241098889).

4243811379831 is a wasteful number, since it uses less digits than its factorization.

4243811379831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18194252 (or 18194246 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 4243811379831 in words is "four trillion, two hundred forty-three billion, eight hundred eleven million, three hundred seventy-nine thousand, eight hundred thirty-one".