31344331012 has 96 divisors (see below), whose sum is σ = 58990002176. Its totient is φ = 14549673600.

The previous prime is 31344331003. The next prime is 31344331013. The reversal of 31344331012 is 21013344313.

It is not an unprimeable number, because it can be changed into a prime (31344331013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64361833 + ... + 64362319.

Almost surely, 2^31344331012 is an apocalyptic number.

It is an amenable number.

31344331012 is a deficient number, since it is larger than the sum of its proper divisors (27645671164).

31344331012 is a wasteful number, since it uses less digits than its factorization.

31344331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 775 counting only the distinct ones).

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

Adding to 31344331012 its reverse (21013344313), we get a palindrome (52357675325).

The spelling of 31344331012 in words is "thirty-one billion, three hundred forty-four million, three hundred thirty-one thousand, twelve".