3103121 has 16 divisors (see below), whose sum is σ = 3696000. Its totient is φ = 2603664.

The previous prime is 3103109. The next prime is 3103147. The reversal of 3103121 is 1213013.

It is not a de Polignac number, because 3103121 - 2⁶ = 3103057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3103151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28415 + ... + 28523.

It is an arithmetic number, because the mean of its divisors is an integer number (231000).

Almost surely, 2^3103121 is an apocalyptic number.

It is an amenable number.

3103121 is a deficient number, since it is larger than the sum of its proper divisors (592879).

3103121 is an equidigital number, since it uses as much as digits as its factorization.

3103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 3103121 is about 1761.5677676434. The cubic root of 3103121 is about 145.8588897434.

Adding to 3103121 its reverse (1213013), we get a palindrome (4316134).

The spelling of 3103121 in words is "three million, one hundred three thousand, one hundred twenty-one".