3103311121 has 4 divisors (see below), whose sum is σ = 3285858852. Its totient is φ = 2920763392.

The previous prime is 3103311109. The next prime is 3103311139. The reversal of 3103311121 is 1211133013.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1579267600 + 1524043521 = 39740^2 + 39039^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103311121 - 2⁵ = 3103311089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3103311095 and 3103311104.

It is not an unprimeable number, because it can be changed into a prime (3103311151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91273840 + ... + 91273873.

It is an arithmetic number, because the mean of its divisors is an integer number (821464713).

Almost surely, 2^3103311121 is an apocalyptic number.

It is an amenable number.

3103311121 is a deficient number, since it is larger than the sum of its proper divisors (182547731).

3103311121 is a wasteful number, since it uses less digits than its factorization.

3103311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182547730.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3103311121 is about 55707.3704369539. The cubic root of 3103311121 is about 1458.6186849407.

Adding to 3103311121 its reverse (1211133013), we get a palindrome (4314444134).

The spelling of 3103311121 in words is "three billion, one hundred three million, three hundred eleven thousand, one hundred twenty-one".