31344433012 has 12 divisors (see below), whose sum is σ = 54898438756. Its totient is φ = 15659164800.

The previous prime is 31344433007. The next prime is 31344433037. The reversal of 31344433012 is 21033444313.

It can be written as a sum of positive squares in 2 ways, for example, as 3839537296 + 27504895716 = 61964^2 + 165846^2 .

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 3 ways as a sum of consecutive naturals, for example, 3257523 + ... + 3267130.

Almost surely, 2^31344433012 is an apocalyptic number.

It is an amenable number.

31344433012 is a deficient number, since it is larger than the sum of its proper divisors (23554005744).

31344433012 is a wasteful number, since it uses less digits than its factorization.

31344433012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525858 (or 6525856 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31344433012 its reverse (21033444313), we get a palindrome (52377877325).

The spelling of 31344433012 in words is "thirty-one billion, three hundred forty-four million, four hundred thirty-three thousand, twelve".