31343434312 has 16 divisors (see below), whose sum is σ = 59732365500. Its totient is φ = 15414803520.

The previous prime is 31343434301. The next prime is 31343434319. The reversal of 31343434312 is 21343434313.

It can be written as a sum of positive squares in 2 ways, for example, as 25912628676 + 5430805636 = 160974^2 + 73694^2 .

It is not an unprimeable number, because it can be changed into a prime (31343434319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32113687 + ... + 32114662.

Almost surely, 2^31343434312 is an apocalyptic number.

It is an amenable number.

31343434312 is a deficient number, since it is larger than the sum of its proper divisors (28388931188).

31343434312 is a wasteful number, since it uses less digits than its factorization.

31343434312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64228416 (or 64228412 counting only the distinct ones).

The product of its digits is 31104, while the sum is 31.

Adding to 31343434312 its reverse (21343434313), we get a palindrome (52686868625).

Subtracting from 31343434312 its reverse (21343434313), we obtain a palindrome (9999999999).

It can be divided in two parts, 31 and 343434312, that added together give a palindrome (343434343).

The spelling of 31343434312 in words is "thirty-one billion, three hundred forty-three million, four hundred thirty-four thousand, three hundred twelve".