31313241104 has 20 divisors (see below), whose sum is σ = 60680042940. Its totient is φ = 15653875200.

The previous prime is 31313241079. The next prime is 31313241107. The reversal of 31313241104 is 40114231313.

It can be written as a sum of positive squares in 2 ways, for example, as 20178770704 + 11134470400 = 142052^2 + 105520^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31313241104.

It is not an unprimeable number, because it can be changed into a prime (31313241107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75869 + ... + 261500.

It is an arithmetic number, because the mean of its divisors is an integer number (3034002147).

Almost surely, 2^31313241104 is an apocalyptic number.

It is an amenable number.

31313241104 is a deficient number, since it is larger than the sum of its proper divisors (29366801836).

31313241104 is a wasteful number, since it uses less digits than its factorization.

31313241104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343178 (or 343172 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31313241104 its reverse (40114231313), we get a palindrome (71427472417).

The spelling of 31313241104 in words is "thirty-one billion, three hundred thirteen million, two hundred forty-one thousand, one hundred four".