331116789 has 8 divisors (see below), whose sum is σ = 442066240. Its totient is φ = 220455936.

The previous prime is 331116707. The next prime is 331116823. The reversal of 331116789 is 987611133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331116789 - 2⁹ = 331116277 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 (331116389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69457 + ... + 74070.

It is an arithmetic number, because the mean of its divisors is an integer number (55258280).

Almost surely, 2^331116789 is an apocalyptic number.

It is an amenable number.

331116789 is a deficient number, since it is larger than the sum of its proper divisors (110949451).

331116789 is a wasteful number, since it uses less digits than its factorization.

331116789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144299.

The product of its digits is 27216, while the sum is 39.

The square root of 331116789 is about 18196.6147675880. The cubic root of 331116789 is about 691.8209891748.

It can be divided in two parts, 3311 and 16789, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 331116789 in words is "three hundred thirty-one million, one hundred sixteen thousand, seven hundred eighty-nine".