3138516241 has 4 divisors (see below), whose sum is σ = 3586875712. Its totient is φ = 2690156772.

The previous prime is 3138516239. The next prime is 3138516253. The reversal of 3138516241 is 1426158313.

3138516241 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, and also an emirpimes, since its reverse is a distinct semiprime: 1426158313 = 2203 ⋅647371.

It is a cyclic number.

It is not a de Polignac number, because 3138516241 - 2¹ = 3138516239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3138516197 and 3138516206.

It is not an unprimeable number, because it can be changed into a prime (3138516281) 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, 224179725 + ... + 224179738.

It is an arithmetic number, because the mean of its divisors is an integer number (896718928).

Almost surely, 2^3138516241 is an apocalyptic number.

It is an amenable number.

3138516241 is a deficient number, since it is larger than the sum of its proper divisors (448359471).

3138516241 is an equidigital number, since it uses as much as digits as its factorization.

3138516241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448359470.

The product of its digits is 17280, while the sum is 34.

The square root of 3138516241 is about 56022.4619326927. The cubic root of 3138516241 is about 1464.1136629840.

The spelling of 3138516241 in words is "three billion, one hundred thirty-eight million, five hundred sixteen thousand, two hundred forty-one".