31344304112 has 40 divisors (see below), whose sum is σ = 67183592832. Its totient is φ = 14046737600.

The previous prime is 31344304109. The next prime is 31344304139. The reversal of 31344304112 is 21140344313.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1241678 + ... + 1266669.

Almost surely, 2^31344304112 is an apocalyptic number.

It is an amenable number.

31344304112 is an abundant number, since it is smaller than the sum of its proper divisors (35839288720).

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

31344304112 is a wasteful number, since it uses less digits than its factorization.

31344304112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508437 (or 2508431 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31344304112 its reverse (21140344313), we get a palindrome (52484648425).

The spelling of 31344304112 in words is "thirty-one billion, three hundred forty-four million, three hundred four thousand, one hundred twelve".