543432131 has 16 divisors (see below), whose sum is σ = 620200800. Its totient is φ = 471609600.

The previous prime is 543432119. The next prime is 543432133. The reversal of 543432131 is 131234345.

It is not a de Polignac number, because 543432131 - 2¹⁸ = 543169987 is a prime.

It is a super-2 number, since 2×543432131² = 590636962006402322, which 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 543432131.

It is not an unprimeable number, because it can be changed into a prime (543432133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18821 + ... + 37961.

It is an arithmetic number, because the mean of its divisors is an integer number (38762550).

Almost surely, 2^543432131 is an apocalyptic number.

543432131 is a deficient number, since it is larger than the sum of its proper divisors (76768669).

543432131 is a wasteful number, since it uses less digits than its factorization.

543432131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19270.

The product of its digits is 4320, while the sum is 26.

The square root of 543432131 is about 23311.6308095337. The cubic root of 543432131 is about 816.0468718070.

Adding to 543432131 its reverse (131234345), we get a palindrome (674666476).

The spelling of 543432131 in words is "five hundred forty-three million, four hundred thirty-two thousand, one hundred thirty-one".