331131002221230 has 32 divisors (see below), whose sum is σ = 794715896070144. Its totient is φ = 88301434954656.

The previous prime is 331131002221207. The next prime is 331131002221241. The reversal of 331131002221230 is 32122200131133.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 331131002221230.

It is a congruent number.

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, 6348927 + ... + 26506053.

It is an arithmetic number, because the mean of its divisors is an integer number (24834871752192).

Almost surely, 2^{331131002221230} is an apocalyptic number.

331131002221230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331131002221230 is an abundant number, since it is smaller than the sum of its proper divisors (463584893848914).

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

331131002221230 is a wasteful number, since it uses less digits than its factorization.

331131002221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20704720.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 331131002221230 its reverse (32122200131133), we get a palindrome (363253202352363).

The spelling of 331131002221230 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, two million, two hundred twenty-one thousand, two hundred thirty".