331145533071 has 8 divisors (see below), whose sum is σ = 490585974960. Its totient is φ = 220763688696.

The previous prime is 331145533049. The next prime is 331145533091. The reversal of 331145533071 is 170335541133.

331145533071 is a `hidden beast` number, since 3 + 3 + 1 + 1 + 4 + 553 + 30 + 71 = 666.

It is not a de Polignac number, because 331145533071 - 2⁹ = 331145532559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331145533091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6132324660 + ... + 6132324713.

It is an arithmetic number, because the mean of its divisors is an integer number (61323246870).

Almost surely, 2^331145533071 is an apocalyptic number.

331145533071 is a deficient number, since it is larger than the sum of its proper divisors (159440441889).

331145533071 is a wasteful number, since it uses less digits than its factorization.

331145533071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12264649382 (or 12264649376 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The spelling of 331145533071 in words is "three hundred thirty-one billion, one hundred forty-five million, five hundred thirty-three thousand, seventy-one".