331201030302220 has 48 divisors (see below), whose sum is σ = 749025320379840. Its totient is φ = 122289374151936.

The previous prime is 331201030302199. The next prime is 331201030302277. The reversal of 331201030302220 is 22203030102133.

It is a junction number, because it is equal to n+sod(n) for n = 331201030302191 and 331201030302200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190040946 + ... + 191775814.

It is an arithmetic number, because the mean of its divisors is an integer number (15604694174580).

Almost surely, 2^{331201030302220} is an apocalyptic number.

It is an amenable number.

331201030302220 is an abundant number, since it is smaller than the sum of its proper divisors (417824290077620).

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

331201030302220 is a wasteful number, since it uses less digits than its factorization.

331201030302220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469154 (or 2469152 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 331201030302220 its reverse (22203030102133), we get a palindrome (353404060404353).

The spelling of 331201030302220 in words is "three hundred thirty-one trillion, two hundred one billion, thirty million, three hundred two thousand, two hundred twenty".