331272543 has 16 divisors (see below), whose sum is σ = 531365120. Its totient is φ = 179335296.

The previous prime is 331272533. The next prime is 331272547. The reversal of 331272543 is 345272133.

It is not a de Polignac number, because 331272543 - 2⁴ = 331272527 is a prime.

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 331272543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331272547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414730 + ... + 415527.

It is an arithmetic number, because the mean of its divisors is an integer number (33210320).

Almost surely, 2^331272543 is an apocalyptic number.

331272543 is a deficient number, since it is larger than the sum of its proper divisors (200092577).

331272543 is a wasteful number, since it uses less digits than its factorization.

331272543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830286.

The product of its digits is 15120, while the sum is 30.

The square root of 331272543 is about 18200.8940165037. The cubic root of 331272543 is about 691.9294473773.

It can be divided in two parts, 3312 and 72543, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 331272543 in words is "three hundred thirty-one million, two hundred seventy-two thousand, five hundred forty-three".