31148805066 has 16 divisors (see below), whose sum is σ = 62304876000. Its totient is φ = 10381724048.

The previous prime is 31148805047. The next prime is 31148805119. The reversal of 31148805066 is 66050884113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246201 + ... + 350588.

It is an arithmetic number, because the mean of its divisors is an integer number (3894054750).

Almost surely, 2^31148805066 is an apocalyptic number.

31148805066 is an abundant number, since it is smaller than the sum of its proper divisors (31156070934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31148805066 is a wasteful number, since it uses less digits than its factorization.

31148805066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605493.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 31148805066 in words is "thirty-one billion, one hundred forty-eight million, eight hundred five thousand, sixty-six".