109988031 has 16 divisors (see below), whose sum is σ = 153216000. Its totient is φ = 70100160.

The previous prime is 109987967. The next prime is 109988041. The reversal of 109988031 is 130889901.

It is a happy number.

It is not a de Polignac number, because 109988031 - 2⁶ = 109987967 is a prime.

It is a super-2 number, since 2×109988031² = 24194733926513922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109988041) 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, 595 + ... + 14843.

It is an arithmetic number, because the mean of its divisors is an integer number (9576000).

Almost surely, 2^109988031 is an apocalyptic number.

109988031 is a deficient number, since it is larger than the sum of its proper divisors (43227969).

109988031 is a wasteful number, since it uses less digits than its factorization.

109988031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14366.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 109988031 is about 10487.5178664925. The cubic root of 109988031 is about 479.1246067413.

The spelling of 109988031 in words is "one hundred nine million, nine hundred eighty-eight thousand, thirty-one".