31344440044 has 24 divisors (see below), whose sum is σ = 55409734800. Its totient is φ = 15513322176.

The previous prime is 31344440041. The next prime is 31344440063. The reversal of 31344440044 is 44004444313.

It is a junction number, because it is equal to n+sod(n) for n = 31344439988 and 31344440015.

It is not an unprimeable number, because it can be changed into a prime (31344440041) 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 7 ways as a sum of consecutive naturals, for example, 517882 + ... + 575230.

It is an arithmetic number, because the mean of its divisors is an integer number (2308738950).

Almost surely, 2^31344440044 is an apocalyptic number.

It is an amenable number.

31344440044 is a deficient number, since it is larger than the sum of its proper divisors (24065294756).

31344440044 is a wasteful number, since it uses less digits than its factorization.

31344440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58737 (or 58735 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 31344440044 its reverse (44004444313), we get a palindrome (75348884357).

The spelling of 31344440044 in words is "thirty-one billion, three hundred forty-four million, four hundred forty thousand, forty-four".