543431331 has 12 divisors (see below), whose sum is σ = 826270120. Its totient is φ = 343219680.

The previous prime is 543431311. The next prime is 543431341. The reversal of 543431331 is 133134345.

It is not a de Polignac number, because 543431331 - 2⁶ = 543431267 is a prime.

It is a super-2 number, since 2×543431331² = 590635223024863122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 543431295 and 543431304.

It is not an unprimeable number, because it can be changed into a prime (543431311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1588810 + ... + 1589151.

Almost surely, 2^543431331 is an apocalyptic number.

543431331 is a deficient number, since it is larger than the sum of its proper divisors (282838789).

543431331 is a wasteful number, since it uses less digits than its factorization.

543431331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177986 (or 3177983 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 543431331 is about 23311.6136507107. The cubic root of 543431331 is about 816.0464713658.

Adding to 543431331 its reverse (133134345), we get a palindrome (676565676).

The spelling of 543431331 in words is "five hundred forty-three million, four hundred thirty-one thousand, three hundred thirty-one".