31542411344 has 10 divisors (see below), whose sum is σ = 61113422010. Its totient is φ = 15771205664.

The previous prime is 31542411293. The next prime is 31542411359. The reversal of 31542411344 is 44311424513.

It can be written as a sum of positive squares in only one way, i.e., 18181825600 + 13360585744 = 134840^2 + 115588^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31542411344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985700339 + ... + 985700370.

It is an arithmetic number, because the mean of its divisors is an integer number (6111342201).

Almost surely, 2^31542411344 is an apocalyptic number.

It is an amenable number.

31542411344 is a deficient number, since it is larger than the sum of its proper divisors (29571010666).

31542411344 is a wasteful number, since it uses less digits than its factorization.

31542411344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971400717 (or 1971400711 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

Adding to 31542411344 its reverse (44311424513), we get a palindrome (75853835857).

The spelling of 31542411344 in words is "thirty-one billion, five hundred forty-two million, four hundred eleven thousand, three hundred forty-four".