331322121030987 has 12 divisors (see below), whose sum is σ = 478576722245544. Its totient is φ = 220881263928000.

The previous prime is 331322121030949. The next prime is 331322121030991. The reversal of 331322121030987 is 789030121223133.

331322121030987 is a `hidden beast` number, since 3 + 3 + 1 + 32 + 21 + 210 + 309 + 87 = 666.

It is not a de Polignac number, because 331322121030987 - 2³⁰ = 331321047289163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331322121030907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2409112 + ... + 25854362.

It is an arithmetic number, because the mean of its divisors is an integer number (39881393520462).

Almost surely, 2^{331322121030987} is an apocalyptic number.

331322121030987 is a deficient number, since it is larger than the sum of its proper divisors (147254601214557).

331322121030987 is a wasteful number, since it uses less digits than its factorization.

331322121030987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25015450 (or 25015447 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 331322121030987 in words is "three hundred thirty-one trillion, three hundred twenty-two billion, one hundred twenty-one million, thirty thousand, nine hundred eighty-seven".