31347750055 has 8 divisors (see below), whose sum is σ = 37848082032. Its totient is φ = 24924345408.

The previous prime is 31347750043. The next prime is 31347750073. The reversal of 31347750055 is 55005774313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31347750055 - 2²¹ = 31345652903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19230934 + ... + 19232563.

It is an arithmetic number, because the mean of its divisors is an integer number (4731010254).

Almost surely, 2^31347750055 is an apocalyptic number.

31347750055 is a deficient number, since it is larger than the sum of its proper divisors (6500331977).

31347750055 is a wasteful number, since it uses less digits than its factorization.

31347750055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38463665.

The product of its (nonzero) digits is 220500, while the sum is 40.

The spelling of 31347750055 in words is "thirty-one billion, three hundred forty-seven million, seven hundred fifty thousand, fifty-five".