3131141121 has 12 divisors (see below), whose sum is σ = 4523301120. Its totient is φ = 2087177400.

The previous prime is 3131141113. The next prime is 3131141147. The reversal of 3131141121 is 1211411313.

It is a happy number.

It is not a de Polignac number, because 3131141121 - 2³ = 3131141113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3131141094 and 3131141103.

It is not an unprimeable number, because it can be changed into a prime (3131141161) 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 11 ways as a sum of consecutive naturals, for example, 88900 + ... + 119018.

It is an arithmetic number, because the mean of its divisors is an integer number (376941760).

Almost surely, 2^3131141121 is an apocalyptic number.

It is an amenable number.

3131141121 is a deficient number, since it is larger than the sum of its proper divisors (1392159999).

3131141121 is a wasteful number, since it uses less digits than its factorization.

3131141121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41676 (or 41673 counting only the distinct ones).

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

The square root of 3131141121 is about 55956.6003345450. The cubic root of 3131141121 is about 1462.9659356100.

Adding to 3131141121 its reverse (1211411313), we get a palindrome (4342552434).

The spelling of 3131141121 in words is "three billion, one hundred thirty-one million, one hundred forty-one thousand, one hundred twenty-one".