543131122 has 4 divisors (see below), whose sum is σ = 814696686. Its totient is φ = 271565560.

The previous prime is 543131101. The next prime is 543131123. The reversal of 543131122 is 221131345.

It is a happy number.

543131122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221131345 = 5 ⋅44226269.

It can be written as a sum of positive squares in only one way, i.e., 300363561 + 242767561 = 17331^2 + 15581^2 .

It is a junction number, because it is equal to n+sod(n) for n = 543131093 and 543131102.

It is not an unprimeable number, because it can be changed into a prime (543131123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135782779 + ... + 135782782.

Almost surely, 2^543131122 is an apocalyptic number.

543131122 is a deficient number, since it is larger than the sum of its proper divisors (271565564).

543131122 is a wasteful number, since it uses less digits than its factorization.

543131122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271565563.

The product of its digits is 720, while the sum is 22.

The square root of 543131122 is about 23305.1737174388. The cubic root of 543131122 is about 815.8961735530.

Adding to 543131122 its reverse (221131345), we get a palindrome (764262467).

The spelling of 543131122 in words is "five hundred forty-three million, one hundred thirty-one thousand, one hundred twenty-two".