331013020212 has 72 divisors (see below), whose sum is σ = 997836368256. Its totient is φ = 90463184064.

The previous prime is 331013020183. The next prime is 331013020279. The reversal of 331013020212 is 212020310133.

331013020212 is a `hidden beast` number, since 331 + 0 + 130 + 202 + 1 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28549503 + ... + 28561094.

It is an arithmetic number, because the mean of its divisors is an integer number (13858838448).

Almost surely, 2^331013020212 is an apocalyptic number.

It is an amenable number.

331013020212 is an abundant number, since it is smaller than the sum of its proper divisors (666823348044).

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

331013020212 is a wasteful number, since it uses less digits than its factorization.

331013020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57110637 (or 57110632 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 331013020212 its reverse (212020310133), we get a palindrome (543033330345).

The spelling of 331013020212 in words is "three hundred thirty-one billion, thirteen million, twenty thousand, two hundred twelve".