331345430312 has 24 divisors (see below), whose sum is σ = 672739060590. Its totient is φ = 152928659520.

The previous prime is 331345430309. The next prime is 331345430359. The reversal of 331345430312 is 213034543133.

It can be written as a sum of positive squares in 3 ways, for example, as 210209412196 + 121136018116 = 458486^2 + 348046^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122537639 + ... + 122540342.

Almost surely, 2^331345430312 is an apocalyptic number.

It is an amenable number.

331345430312 is an abundant number, since it is smaller than the sum of its proper divisors (341393630278).

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

331345430312 is a wasteful number, since it uses less digits than its factorization.

331345430312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245078013 (or 245077996 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 331345430312 its reverse (213034543133), we get a palindrome (544379973445).

The spelling of 331345430312 in words is "three hundred thirty-one billion, three hundred forty-five million, four hundred thirty thousand, three hundred twelve".