31516466089 has 8 divisors (see below), whose sum is σ = 31584283040. Its totient is φ = 31448704896.

The previous prime is 31516466083. The next prime is 31516466159. The reversal of 31516466089 is 98066461513.

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 31516466089 - 2⁵ = 31516466057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31516466083) by changing a digit.

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, 1235902 + ... + 1261144.

It is an arithmetic number, because the mean of its divisors is an integer number (3948035380).

Almost surely, 2^31516466089 is an apocalyptic number.

It is an amenable number.

31516466089 is a deficient number, since it is larger than the sum of its proper divisors (67816951).

31516466089 is a wasteful number, since it uses less digits than its factorization.

31516466089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27879.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 31516466089 in words is "thirty-one billion, five hundred sixteen million, four hundred sixty-six thousand, eighty-nine".