110311989 has 16 divisors (see below), whose sum is σ = 149737728. Its totient is φ = 72225792.

The previous prime is 110311951. The next prime is 110311991. The reversal of 110311989 is 989113011.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-110311989 is a prime.

It is a super-2 number, since 2×110311989² = 24337469834272242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110311489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38484 + ... + 41250.

It is an arithmetic number, because the mean of its divisors is an integer number (9358608).

Almost surely, 2^110311989 is an apocalyptic number.

It is an amenable number.

110311989 is a deficient number, since it is larger than the sum of its proper divisors (39425739).

110311989 is a wasteful number, since it uses less digits than its factorization.

110311989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its (nonzero) digits is 1944, while the sum is 33.

The square root of 110311989 is about 10502.9514423328. The cubic root of 110311989 is about 479.5945491094.

The spelling of 110311989 in words is "one hundred ten million, three hundred eleven thousand, nine hundred eighty-nine".