4043021322131 has 4 divisors (see below), whose sum is σ = 4410568715064. Its totient is φ = 3675473929200.

The previous prime is 4043021322113. The next prime is 4043021322149. The reversal of 4043021322131 is 1312231203404.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4043021322113) and next prime (4043021322149).

It is a cyclic number.

It is not a de Polignac number, because 4043021322131 - 2¹⁰ = 4043021321107 is a prime.

It is a super-2 number, since 2×4043021322131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4043021322131.

It is not an unprimeable number, because it can be changed into a prime (4043021322731) 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, 183773696450 + ... + 183773696471.

It is an arithmetic number, because the mean of its divisors is an integer number (1102642178766).

Almost surely, 2^{4043021322131} is an apocalyptic number.

4043021322131 is a deficient number, since it is larger than the sum of its proper divisors (367547392933).

4043021322131 is a wasteful number, since it uses less digits than its factorization.

4043021322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367547392932.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 4043021322131 its reverse (1312231203404), we get a palindrome (5355252525535).

The spelling of 4043021322131 in words is "four trillion, forty-three billion, twenty-one million, three hundred twenty-two thousand, one hundred thirty-one".