31160609189 has 8 divisors (see below), whose sum is σ = 31558383360. Its totient is φ = 30762918576.

The previous prime is 31160609167. The next prime is 31160609191. The reversal of 31160609189 is 98190606113.

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 a de Polignac number, because none of the positive numbers 2^k-31160609189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31160609089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132139 + ... + 1159335.

It is an arithmetic number, because the mean of its divisors is an integer number (3944797920).

Almost surely, 2^31160609189 is an apocalyptic number.

It is an amenable number.

31160609189 is a deficient number, since it is larger than the sum of its proper divisors (397774171).

31160609189 is a wasteful number, since it uses less digits than its factorization.

31160609189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41779.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 31160609189 in words is "thirty-one billion, one hundred sixty million, six hundred nine thousand, one hundred eighty-nine".