331302132133020 has 60 divisors (see below), whose sum is σ = 1039307058955704. Its totient is φ = 88347235235040.

The previous prime is 331302132133013. The next prime is 331302132133069. The reversal of 331302132133020 is 20331231203133.

331302132133020 is a `hidden beast` number, since 3 + 3 + 1 + 3 + 0 + 2 + 1 + 321 + 330 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×331302132133020² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 102253742866 + ... + 102253746105.

Almost surely, 2^{331302132133020} is an apocalyptic number.

331302132133020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331302132133020 is an abundant number, since it is smaller than the sum of its proper divisors (708004926822684).

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

331302132133020 is a wasteful number, since it uses less digits than its factorization.

331302132133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204507488992 (or 204507488981 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 331302132133020 its reverse (20331231203133), we get a palindrome (351633363336153).

The spelling of 331302132133020 in words is "three hundred thirty-one trillion, three hundred two billion, one hundred thirty-two million, one hundred thirty-three thousand, twenty".