543434310551131 has 4 divisors (see below), whose sum is σ = 543560778861352. Its totient is φ = 543307842240912.

The previous prime is 543434310551113. The next prime is 543434310551219. The reversal of 543434310551131 is 131155013434345.

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 543434310551131 - 2⁹ = 543434310550619 is a prime.

It is a super-2 number, since 2×543434310551131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543434310551731) 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, 63234148665 + ... + 63234157258.

It is an arithmetic number, because the mean of its divisors is an integer number (135890194715338).

Almost surely, 2^{543434310551131} is an apocalyptic number.

543434310551131 is a deficient number, since it is larger than the sum of its proper divisors (126468310221).

543434310551131 is a wasteful number, since it uses less digits than its factorization.

543434310551131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126468310220.

The product of its (nonzero) digits is 648000, while the sum is 43.

Adding to 543434310551131 its reverse (131155013434345), we get a palindrome (674589323985476).

The spelling of 543434310551131 in words is "five hundred forty-three trillion, four hundred thirty-four billion, three hundred ten million, five hundred fifty-one thousand, one hundred thirty-one".