331216715322 has 12 divisors (see below), whose sum is σ = 717636216570. Its totient is φ = 110405571768.

The previous prime is 331216715321. The next prime is 331216715327. The reversal of 331216715322 is 223517612133.

331216715322 is a `hidden beast` number, since 3 + 31 + 21 + 6 + 71 + 532 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 185751518121 + 145465197201 = 430989^2 + 381399^2 .

It is not an unprimeable number, because it can be changed into a prime (331216715321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9200464297 + ... + 9200464332.

Almost surely, 2^331216715322 is an apocalyptic number.

331216715322 is an abundant number, since it is smaller than the sum of its proper divisors (386419501248).

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

331216715322 is a wasteful number, since it uses less digits than its factorization.

331216715322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18400928637 (or 18400928634 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The spelling of 331216715322 in words is "three hundred thirty-one billion, two hundred sixteen million, seven hundred fifteen thousand, three hundred twenty-two".