3163131121 has 4 divisors (see below), whose sum is σ = 3185887600. Its totient is φ = 3140374644.

The previous prime is 3163131113. The next prime is 3163131157. The reversal of 3163131121 is 1211313613.

3163131121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3163131121 - 2³ = 3163131113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3163131092 and 3163131101.

It is not an unprimeable number, because it can be changed into a prime (3163131421) 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, 11378031 + ... + 11378308.

It is an arithmetic number, because the mean of its divisors is an integer number (796471900).

Almost surely, 2^3163131121 is an apocalyptic number.

It is an amenable number.

3163131121 is a deficient number, since it is larger than the sum of its proper divisors (22756479).

3163131121 is a wasteful number, since it uses less digits than its factorization.

3163131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22756478.

The product of its digits is 324, while the sum is 22.

The square root of 3163131121 is about 56241.7204662162. The cubic root of 3163131121 is about 1467.9313028867.

Adding to 3163131121 its reverse (1211313613), we get a palindrome (4374444734).

The spelling of 3163131121 in words is "three billion, one hundred sixty-three million, one hundred thirty-one thousand, one hundred twenty-one".