331201211023220 has 96 divisors (see below), whose sum is σ = 700850060402688. Its totient is φ = 131470060879872.

The previous prime is 331201211023213. The next prime is 331201211023237. The reversal of 331201211023220 is 22320112102133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2932822397 + ... + 2932935323.

It is an arithmetic number, because the mean of its divisors is an integer number (7300521462528).

Almost surely, 2^{331201211023220} is an apocalyptic number.

It is an amenable number.

331201211023220 is an abundant number, since it is smaller than the sum of its proper divisors (369648849379468).

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

331201211023220 is a wasteful number, since it uses less digits than its factorization.

331201211023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115329 (or 115327 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 331201211023220 its reverse (22320112102133), we get a palindrome (353521323125353).

The spelling of 331201211023220 in words is "three hundred thirty-one trillion, two hundred one billion, two hundred eleven million, twenty-three thousand, two hundred twenty".