31313334344 has 8 divisors (see below), whose sum is σ = 58712501910. Its totient is φ = 15656667168.

The previous prime is 31313334341. The next prime is 31313334461. The reversal of 31313334344 is 44343331313.

It can be written as a sum of positive squares in only one way, i.e., 16101072100 + 15212262244 = 126890^2 + 123338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 31313334344.

It is not an unprimeable number, because it can be changed into a prime (31313334341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957083389 + ... + 1957083404.

Almost surely, 2^31313334344 is an apocalyptic number.

It is an amenable number.

31313334344 is a deficient number, since it is larger than the sum of its proper divisors (27399167566).

31313334344 is a wasteful number, since it uses less digits than its factorization.

31313334344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914166799 (or 3914166795 counting only the distinct ones).

The product of its digits is 46656, while the sum is 32.

Adding to 31313334344 its reverse (44343331313), we get a palindrome (75656665657).

The spelling of 31313334344 in words is "thirty-one billion, three hundred thirteen million, three hundred thirty-four thousand, three hundred forty-four".