331200055 has 8 divisors (see below), whose sum is σ = 397895472. Its totient is φ = 264656448.

The previous prime is 331200043. The next prime is 331200073. The reversal of 331200055 is 550002133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331200055 - 2¹³ = 331191863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33094 + ... + 41923.

It is an arithmetic number, because the mean of its divisors is an integer number (49736934).

Almost surely, 2^331200055 is an apocalyptic number.

331200055 is a deficient number, since it is larger than the sum of its proper divisors (66695417).

331200055 is an equidigital number, since it uses as much as digits as its factorization.

331200055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75905.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 331200055 is about 18198.9025768039. The cubic root of 331200055 is about 691.8789750984.

Adding to 331200055 its reverse (550002133), we get a palindrome (881202188).

The spelling of 331200055 in words is "three hundred thirty-one million, two hundred thousand, fifty-five".