331211303412 has 48 divisors (see below), whose sum is σ = 872155166400. Its totient is φ = 96906127360.

The previous prime is 331211303407. The next prime is 331211303443. The reversal of 331211303412 is 214303112133.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 43257837 + ... + 43265492.

It is an arithmetic number, because the mean of its divisors is an integer number (18169899300).

Almost surely, 2^331211303412 is an apocalyptic number.

It is an amenable number.

331211303412 is an abundant number, since it is smaller than the sum of its proper divisors (540943862988).

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

331211303412 is a wasteful number, since it uses less digits than its factorization.

331211303412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86523376 (or 86523374 counting only the distinct ones).

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

Adding to 331211303412 its reverse (214303112133), we get a palindrome (545514415545).

The spelling of 331211303412 in words is "three hundred thirty-one billion, two hundred eleven million, three hundred three thousand, four hundred twelve".