331282216485 has 96 divisors (see below), whose sum is σ = 663671698560. Its totient is φ = 151082496000.

The previous prime is 331282216483. The next prime is 331282216493. The reversal of 331282216485 is 584612282133.

331282216485 is a `hidden beast` number, since 3 + 312 + 82 + 216 + 48 + 5 = 666.

It is not a de Polignac number, because 331282216485 - 2¹ = 331282216483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 331282216485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331282216483) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15144486 + ... + 15166344.

It is an arithmetic number, because the mean of its divisors is an integer number (6913246860).

Almost surely, 2^331282216485 is an apocalyptic number.

It is an amenable number.

331282216485 is an abundant number, since it is smaller than the sum of its proper divisors (332389482075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331282216485 is a wasteful number, since it uses less digits than its factorization.

331282216485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23699 (or 23696 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 331282216485 in words is "three hundred thirty-one billion, two hundred eighty-two million, two hundred sixteen thousand, four hundred eighty-five".