331212134032 has 40 divisors (see below), whose sum is σ = 691272240120. Its totient is φ = 152826132480.

The previous prime is 331212134027. The next prime is 331212134069. The reversal of 331212134032 is 230431212133.

It can be written as a sum of positive squares in 4 ways, for example, as 37443798016 + 293768336016 = 193504^2 + 542004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331212133988 and 331212134006.

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, 570594 + ... + 993982.

It is an arithmetic number, because the mean of its divisors is an integer number (17281806003).

Almost surely, 2^331212134032 is an apocalyptic number.

It is an amenable number.

331212134032 is an abundant number, since it is smaller than the sum of its proper divisors (360060106088).

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

331212134032 is a wasteful number, since it uses less digits than its factorization.

331212134032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427171 (or 427165 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 331212134032 its reverse (230431212133), we get a palindrome (561643346165).

The spelling of 331212134032 in words is "three hundred thirty-one billion, two hundred twelve million, one hundred thirty-four thousand, thirty-two".