3103139 has 4 divisors (see below), whose sum is σ = 3341856. Its totient is φ = 2864424.

The previous prime is 3103109. The next prime is 3103147. The reversal of 3103139 is 9313013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3103139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3103139.

It is not an unprimeable number, because it can be changed into a prime (3103109) 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 3 ways as a sum of consecutive naturals, for example, 119339 + ... + 119364.

It is an arithmetic number, because the mean of its divisors is an integer number (835464).

Almost surely, 2^3103139 is an apocalyptic number.

3103139 is a deficient number, since it is larger than the sum of its proper divisors (238717).

3103139 is a wasteful number, since it uses less digits than its factorization.

3103139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238716.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 3103139 is about 1761.5728767213. The cubic root of 3103139 is about 145.8591717664.

The spelling of 3103139 in words is "three million, one hundred three thousand, one hundred thirty-nine".