31601071090 has 32 divisors (see below), whose sum is σ = 60082361856. Its totient is φ = 11948186880.

The previous prime is 31601071079. The next prime is 31601071127. The reversal of 31601071090 is 9017010613.

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 15 ways as a sum of consecutive naturals, for example, 1172007 + ... + 1198666.

It is an arithmetic number, because the mean of its divisors is an integer number (1877573808).

Almost surely, 2^31601071090 is an apocalyptic number.

31601071090 is a deficient number, since it is larger than the sum of its proper divisors (28481290766).

31601071090 is a wasteful number, since it uses less digits than its factorization.

31601071090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370754.

The product of its (nonzero) digits is 1134, while the sum is 28.

The spelling of 31601071090 in words is "thirty-one billion, six hundred one million, seventy-one thousand, ninety".