31071082960 has 20 divisors (see below), whose sum is σ = 72240268068. Its totient is φ = 12428433152.

The previous prime is 31071082949. The next prime is 31071083023. The reversal of 31071082960 is 6928017013.

It can be written as a sum of positive squares in 2 ways, for example, as 6109610896 + 24961472064 = 78164^2 + 157992^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 194194189 + ... + 194194348.

Almost surely, 2^31071082960 is an apocalyptic number.

It is an amenable number.

31071082960 is an abundant number, since it is smaller than the sum of its proper divisors (41169185108).

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

31071082960 is a wasteful number, since it uses less digits than its factorization.

31071082960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388388550 (or 388388544 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

Adding to 31071082960 its reverse (6928017013), we get a palindrome (37999099973).

The spelling of 31071082960 in words is "thirty-one billion, seventy-one million, eighty-two thousand, nine hundred sixty".