109919931 has 8 divisors (see below), whose sum is σ = 159883584. Its totient is φ = 66618120.

The previous prime is 109919917. The next prime is 109919941. The reversal of 109919931 is 139919901.

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

It is not a de Polignac number, because 109919931 - 2⁵ = 109919899 is a prime.

It is a super-2 number, since 2×109919931² = 24164782462089522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109919941) 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, 1665421 + ... + 1665486.

It is an arithmetic number, because the mean of its divisors is an integer number (19985448).

Almost surely, 2^109919931 is an apocalyptic number.

109919931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109919931 is a deficient number, since it is larger than the sum of its proper divisors (49963653).

109919931 is a wasteful number, since it uses less digits than its factorization.

109919931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330921.

The product of its (nonzero) digits is 19683, while the sum is 42.

The square root of 109919931 is about 10484.2706470217. The cubic root of 109919931 is about 479.0257016702.

The spelling of 109919931 in words is "one hundred nine million, nine hundred nineteen thousand, nine hundred thirty-one".