331013203020 has 96 divisors (see below), whose sum is σ = 1065329899200. Its totient is φ = 85226383872.

The previous prime is 331013202983. The next prime is 331013203043. The reversal of 331013203020 is 20302310133.

331013203020 is a `hidden beast` number, since 3 + 310 + 1 + 320 + 30 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 331013202984 and 331013203002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10553089 + ... + 10584408.

It is an arithmetic number, because the mean of its divisors is an integer number (11097186450).

Almost surely, 2^331013203020 is an apocalyptic number.

331013203020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331013203020 is an abundant number, since it is smaller than the sum of its proper divisors (734316696180).

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

331013203020 is a wasteful number, since it uses less digits than its factorization.

331013203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21137544 (or 21137536 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 331013203020 its reverse (20302310133), we get a palindrome (351315513153).

The spelling of 331013203020 in words is "three hundred thirty-one billion, thirteen million, two hundred three thousand, twenty".