4113131121 has 12 divisors (see below), whose sum is σ = 6481297680. Its totient is φ = 2492806680.

The previous prime is 4113131117. The next prime is 4113131123. The reversal of 4113131121 is 1211313114.

It is a happy number.

4113131121 is a `hidden beast` number, since 411 + 3 + 131 + 121 = 666.

It is not a de Polignac number, because 4113131121 - 2² = 4113131117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4113131094 and 4113131103.

It is not an unprimeable number, because it can be changed into a prime (4113131123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20773291 + ... + 20773488.

It is an arithmetic number, because the mean of its divisors is an integer number (540108140).

Almost surely, 2^4113131121 is an apocalyptic number.

It is an amenable number.

4113131121 is a deficient number, since it is larger than the sum of its proper divisors (2368166559).

4113131121 is a wasteful number, since it uses less digits than its factorization.

4113131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41546796 (or 41546793 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 4113131121 is about 64133.6972347611. The cubic root of 4113131121 is about 1602.2275121429.

Adding to 4113131121 its reverse (1211313114), we get a palindrome (5324444235).

The spelling of 4113131121 in words is "four billion, one hundred thirteen million, one hundred thirty-one thousand, one hundred twenty-one".