331312210113320 has 32 divisors (see below), whose sum is σ = 763634240386920. Its totient is φ = 129292569799680.

The previous prime is 331312210113221. The next prime is 331312210113359. The reversal of 331312210113320 is 23311012213133.

It can be written as a sum of positive squares in 4 ways, for example, as 83068678096804 + 248243532016516 = 9114202^2 + 15755746^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 331312210113320.

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, 101009818517 + ... + 101009821796.

Almost surely, 2^{331312210113320} is an apocalyptic number.

It is an amenable number.

331312210113320 is an abundant number, since it is smaller than the sum of its proper divisors (432322030273600).

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

331312210113320 is a wasteful number, since it uses less digits than its factorization.

331312210113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202019640365 (or 202019640361 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 331312210113320 its reverse (23311012213133), we get a palindrome (354623222326453).

The spelling of 331312210113320 in words is "three hundred thirty-one trillion, three hundred twelve billion, two hundred ten million, one hundred thirteen thousand, three hundred twenty".