31011442444 has 6 divisors (see below), whose sum is σ = 54270024284. Its totient is φ = 15505721220.

The previous prime is 31011442411. The next prime is 31011442487. The reversal of 31011442444 is 44424411013.

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 as a sum of consecutive naturals, namely, 3876430302 + ... + 3876430309.

Almost surely, 2^31011442444 is an apocalyptic number.

It is an amenable number.

31011442444 is a deficient number, since it is larger than the sum of its proper divisors (23258581840).

31011442444 is a wasteful number, since it uses less digits than its factorization.

31011442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752860615 (or 7752860613 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 31011442444 its reverse (44424411013), we get a palindrome (75435853457).

The spelling of 31011442444 in words is "thirty-one billion, eleven million, four hundred forty-two thousand, four hundred forty-four".