31100244004 has 6 divisors (see below), whose sum is σ = 54425427014. Its totient is φ = 15550122000.

The previous prime is 31100243981. The next prime is 31100244047. The reversal of 31100244004 is 40044200113.

It can be written as a sum of positive squares in only one way, i.e., 28425285604 + 2674958400 = 168598^2 + 51720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3887530497 + ... + 3887530504.

Almost surely, 2^31100244004 is an apocalyptic number.

It is an amenable number.

31100244004 is a deficient number, since it is larger than the sum of its proper divisors (23325183010).

31100244004 is a wasteful number, since it uses less digits than its factorization.

31100244004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775061005 (or 7775061003 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 31100244004 its reverse (40044200113), we get a palindrome (71144444117).

The spelling of 31100244004 in words is "thirty-one billion, one hundred million, two hundred forty-four thousand, four".