109280313 has 8 divisors (see below), whose sum is σ = 161896800. Its totient is φ = 72853524.

The previous prime is 109280309. The next prime is 109280317. The reversal of 109280313 is 313082901.

It is an interprime number because it is at equal distance from previous prime (109280309) and next prime (109280317).

It is not a de Polignac number, because 109280313 - 2² = 109280309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4047419 = 109280313 / (1 + 0 + 9 + 2 + 8 + 0 + 3 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (109280317) 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, 2023683 + ... + 2023736.

It is an arithmetic number, because the mean of its divisors is an integer number (20237100).

Almost surely, 2^109280313 is an apocalyptic number.

It is an amenable number.

109280313 is a deficient number, since it is larger than the sum of its proper divisors (52616487).

109280313 is an equidigital number, since it uses as much as digits as its factorization.

109280313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047428 (or 4047422 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 109280313 is about 10453.7224470521. The cubic root of 109280313 is about 478.0947522579.

The spelling of 109280313 in words is "one hundred nine million, two hundred eighty thousand, three hundred thirteen".