13131330441 has 4 divisors (see below), whose sum is σ = 17508440592. Its totient is φ = 8754220292.

The previous prime is 13131330437. The next prime is 13131330449. The reversal of 13131330441 is 14403313131.

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 13131330441 - 2² = 13131330437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13131330449) 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, 2188555071 + ... + 2188555076.

It is an arithmetic number, because the mean of its divisors is an integer number (4377110148).

Almost surely, 2^13131330441 is an apocalyptic number.

It is an amenable number.

13131330441 is a deficient number, since it is larger than the sum of its proper divisors (4377110151).

13131330441 is an equidigital number, since it uses as much as digits as its factorization.

13131330441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377110150.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13131330441 its reverse (14403313131), we get a palindrome (27534643572).

The spelling of 13131330441 in words is "thirteen billion, one hundred thirty-one million, three hundred thirty thousand, four hundred forty-one".