109831011 has 4 divisors (see below), whose sum is σ = 146441352. Its totient is φ = 73220672.

The previous prime is 109830983. The next prime is 109831013. The reversal of 109831011 is 110138901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110138901 = 3 ⋅36712967.

It is a cyclic number.

It is not a de Polignac number, because 109831011 - 2⁵ = 109830979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109831013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18305166 + ... + 18305171.

It is an arithmetic number, because the mean of its divisors is an integer number (36610338).

Almost surely, 2^109831011 is an apocalyptic number.

109831011 is a deficient number, since it is larger than the sum of its proper divisors (36610341).

109831011 is an equidigital number, since it uses as much as digits as its factorization.

109831011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36610340.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 109831011 is about 10480.0291507228. The cubic root of 109831011 is about 478.8964971485.

Adding to 109831011 its reverse (110138901), we get a palindrome (219969912).

The spelling of 109831011 in words is "one hundred nine million, eight hundred thirty-one thousand, eleven".