31506044212064 has 24 divisors (see below), whose sum is σ = 62473765735080. Its totient is φ = 15639691009536.

The previous prime is 31506044212039. The next prime is 31506044212147. The reversal of 31506044212064 is 46021244060513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3541592249 + ... + 3541601144.

It is an arithmetic number, because the mean of its divisors is an integer number (2603073572295).

Almost surely, 2^{31506044212064} is an apocalyptic number.

It is an amenable number.

31506044212064 is a deficient number, since it is larger than the sum of its proper divisors (30967721523016).

31506044212064 is a wasteful number, since it uses less digits than its factorization.

31506044212064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7083193542 (or 7083193534 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 31506044212064 its reverse (46021244060513), we get a palindrome (77527288272577).

The spelling of 31506044212064 in words is "thirty-one trillion, five hundred six billion, forty-four million, two hundred twelve thousand, sixty-four".