1116989331 has 8 divisors (see below), whose sum is σ = 1494620304. Its totient is φ = 742008960.

The previous prime is 1116989323. The next prime is 1116989333. The reversal of 1116989331 is 1339896111.

1116989331 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1116989331 - 2³ = 1116989323 is a prime.

It is a super-2 number, since 2×1116989331² = 2495330331135655122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1116989333) 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, 661666 + ... + 663351.

It is an arithmetic number, because the mean of its divisors is an integer number (186827538).

Almost surely, 2^1116989331 is an apocalyptic number.

1116989331 is a deficient number, since it is larger than the sum of its proper divisors (377630973).

1116989331 is a wasteful number, since it uses less digits than its factorization.

1116989331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325301.

The product of its digits is 34992, while the sum is 42.

The square root of 1116989331 is about 33421.3903211701. The cubic root of 1116989331 is about 1037.5674567065.

The spelling of 1116989331 in words is "one billion, one hundred sixteen million, nine hundred eighty-nine thousand, three hundred thirty-one".