31304032232012 has 12 divisors (see below), whose sum is σ = 54782104701576. Its totient is φ = 15652002317280.

The previous prime is 31304032231999. The next prime is 31304032232059. The reversal of 31304032232012 is 21023223040313.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2990687 + ... + 8458857.

It is an arithmetic number, because the mean of its divisors is an integer number (4565175391798).

Almost surely, 2^{31304032232012} is an apocalyptic number.

It is an amenable number.

31304032232012 is a deficient number, since it is larger than the sum of its proper divisors (23478072469564).

31304032232012 is a wasteful number, since it uses less digits than its factorization.

31304032232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899368 (or 6899366 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31304032232012 its reverse (21023223040313), we get a palindrome (52327255272325).

The spelling of 31304032232012 in words is "thirty-one trillion, three hundred four billion, thirty-two million, two hundred thirty-two thousand, twelve".