331886688133 has 36 divisors (see below), whose sum is σ = 456059675808. Its totient is φ = 238719630240.

The previous prime is 331886688097. The next prime is 331886688157.

331886688133 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 331886688133 - 2⁹ = 331886687621 is a prime.

It is a super-2 number, since 2×331886688133² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331886688433) 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 35 ways as a sum of consecutive naturals, for example, 1730641 + ... + 1912822.

It is an arithmetic number, because the mean of its divisors is an integer number (12668324328).

Almost surely, 2^331886688133 is an apocalyptic number.

It is an amenable number.

331886688133 is a deficient number, since it is larger than the sum of its proper divisors (124172987675).

331886688133 is a wasteful number, since it uses less digits than its factorization.

331886688133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643514 (or 3643494 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 58.

The spelling of 331886688133 in words is "three hundred thirty-one billion, eight hundred eighty-six million, six hundred eighty-eight thousand, one hundred thirty-three".