331130331233220 has 96 divisors (see below), whose sum is σ = 945070601110272. Its totient is φ = 86597572658688.

The previous prime is 331130331233213. The next prime is 331130331233279. The reversal of 331130331233220 is 22332133031133.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15414112 + ... + 29997591.

It is an arithmetic number, because the mean of its divisors is an integer number (9844485428232).

Almost surely, 2^{331130331233220} is an apocalyptic number.

331130331233220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331130331233220 is an abundant number, since it is smaller than the sum of its proper divisors (613940269877052).

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

331130331233220 is a wasteful number, since it uses less digits than its factorization.

331130331233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45414061 (or 45414059 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 331130331233220 its reverse (22332133031133), we get a palindrome (353462464264353).

The spelling of 331130331233220 in words is "three hundred thirty-one trillion, one hundred thirty billion, three hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty".