109831397 has 8 divisors (see below), whose sum is σ = 118524000. Its totient is φ = 101173680.

The previous prime is 109831369. The next prime is 109831411. The reversal of 109831397 is 793138901.

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

It is a cyclic number.

It is not a de Polignac number, because 109831397 - 2¹⁰ = 109830373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109831097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979 + ... + 14952.

It is an arithmetic number, because the mean of its divisors is an integer number (14815500).

Almost surely, 2^109831397 is an apocalyptic number.

It is an amenable number.

109831397 is a deficient number, since it is larger than the sum of its proper divisors (8692603).

109831397 is a wasteful number, since it uses less digits than its factorization.

109831397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17443.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 109831397 is about 10480.0475666859. The cubic root of 109831397 is about 478.8970581735.

The spelling of 109831397 in words is "one hundred nine million, eight hundred thirty-one thousand, three hundred ninety-seven".