3101243 has 4 divisors (see below), whose sum is σ = 3108600. Its totient is φ = 3093888.

The previous prime is 3101239. The next prime is 3101249. The reversal of 3101243 is 3421013.

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

It is a cyclic number.

It is not a de Polignac number, because 3101243 - 2² = 3101239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3101249) 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, 3005 + ... + 3902.

It is an arithmetic number, because the mean of its divisors is an integer number (777150).

Almost surely, 2^3101243 is an apocalyptic number.

3101243 is a deficient number, since it is larger than the sum of its proper divisors (7357).

3101243 is an equidigital number, since it uses as much as digits as its factorization.

3101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3101243 is about 1761.0346390687. The cubic root of 3101243 is about 145.8294593438.

Adding to 3101243 its reverse (3421013), we get a palindrome (6522256).

The spelling of 3101243 in words is "three million, one hundred one thousand, two hundred forty-three".