331333313122220 has 24 divisors (see below), whose sum is σ = 702555296954784. Its totient is φ = 131246593934976.

The previous prime is 331333313122199. The next prime is 331333313122237. The reversal of 331333313122220 is 22221313333133.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80420705009 + ... + 80420709128.

It is an arithmetic number, because the mean of its divisors is an integer number (29273137373116).

Almost surely, 2^{331333313122220} is an apocalyptic number.

It is an amenable number.

331333313122220 is an abundant number, since it is smaller than the sum of its proper divisors (371221983832564).

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

331333313122220 is a wasteful number, since it uses less digits than its factorization.

331333313122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160841414249 (or 160841414247 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 331333313122220 its reverse (22221313333133), we get a palindrome (353554626455353).

The spelling of 331333313122220 in words is "three hundred thirty-one trillion, three hundred thirty-three billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twenty".