43542234404131 has 4 divisors (see below), whose sum is σ = 43729110946872. Its totient is φ = 43355357861392.

The previous prime is 43542234404111. The next prime is 43542234404147. The reversal of 43542234404131 is 13140443224534.

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 43542234404131 - 2⁵ = 43542234404099 is a prime.

It is a super-2 number, since 2×43542234404131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43542234404101) 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, 93438271021 + ... + 93438271486.

It is an arithmetic number, because the mean of its divisors is an integer number (10932277736718).

Almost surely, 2^{43542234404131} is an apocalyptic number.

43542234404131 is a deficient number, since it is larger than the sum of its proper divisors (186876542741).

43542234404131 is a wasteful number, since it uses less digits than its factorization.

43542234404131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186876542740.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 43542234404131 its reverse (13140443224534), we get a palindrome (56682677628665).

The spelling of 43542234404131 in words is "forty-three trillion, five hundred forty-two billion, two hundred thirty-four million, four hundred four thousand, one hundred thirty-one".