43345403422131 has 4 divisors (see below), whose sum is σ = 57793871229512. Its totient is φ = 28896935614752.

The previous prime is 43345403422117. The next prime is 43345403422169. The reversal of 43345403422131 is 13122430454334.

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

It is not a de Polignac number, because 43345403422131 - 2⁵ = 43345403422099 is a prime.

It is a super-2 number, since 2×43345403422131² (a number of 28 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 43345403422131.

It is not an unprimeable number, because it can be changed into a prime (43345403522131) 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, 7224233903686 + ... + 7224233903691.

It is an arithmetic number, because the mean of its divisors is an integer number (14448467807378).

Almost surely, 2^{43345403422131} is an apocalyptic number.

43345403422131 is a deficient number, since it is larger than the sum of its proper divisors (14448467807381).

43345403422131 is a wasteful number, since it uses less digits than its factorization.

43345403422131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448467807380.

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 43345403422131 its reverse (13122430454334), we get a palindrome (56467833876465).

The spelling of 43345403422131 in words is "forty-three trillion, three hundred forty-five billion, four hundred three million, four hundred twenty-two thousand, one hundred thirty-one".