331315020055 has 16 divisors (see below), whose sum is σ = 402089971680. Its totient is φ = 262060904448.

The previous prime is 331315020017. The next prime is 331315020073. The reversal of 331315020055 is 550020513133.

It is a cyclic number.

It is not a de Polignac number, because 331315020055 - 2¹¹ = 331315018007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895870 + ... + 1210459.

It is an arithmetic number, because the mean of its divisors is an integer number (25130623230).

Almost surely, 2^331315020055 is an apocalyptic number.

331315020055 is a deficient number, since it is larger than the sum of its proper divisors (70774951625).

331315020055 is a wasteful number, since it uses less digits than its factorization.

331315020055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106690.

The product of its (nonzero) digits is 6750, while the sum is 28.

Adding to 331315020055 its reverse (550020513133), we get a palindrome (881335533188).

The spelling of 331315020055 in words is "three hundred thirty-one billion, three hundred fifteen million, twenty thousand, fifty-five".