109731048 has 128 divisors (see below), whose sum is σ = 326860800. Its totient is φ = 30046464.

The previous prime is 109731031. The next prime is 109731049. The reversal of 109731048 is 840137901.

It is not an unprimeable number, because it can be changed into a prime (109731049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 789363 + ... + 789501.

It is an arithmetic number, because the mean of its divisors is an integer number (2553600).

Almost surely, 2^109731048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109731048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163430400).

109731048 is an abundant number, since it is smaller than the sum of its proper divisors (217129752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109731048 is a wasteful number, since it uses less digits than its factorization.

109731048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 109731048 is about 10475.2588512170. The cubic root of 109731048 is about 478.7511633882.

Adding to 109731048 its reverse (840137901), we get a palindrome (949868949).

It can be divided in two parts, 10973 and 1048, that added together give a palindrome (12021).

The spelling of 109731048 in words is "one hundred nine million, seven hundred thirty-one thousand, forty-eight".