13131330442 has 16 divisors (see below), whose sum is σ = 20382055200. Its totient is φ = 6337442160.

The previous prime is 13131330437. The next prime is 13131330449. The reversal of 13131330442 is 24403313131.

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 7 ways as a sum of consecutive naturals, for example, 183409 + ... + 244747.

It is an arithmetic number, because the mean of its divisors is an integer number (1273878450).

Almost surely, 2^13131330442 is an apocalyptic number.

13131330442 is a deficient number, since it is larger than the sum of its proper divisors (7250724758).

13131330442 is a wasteful number, since it uses less digits than its factorization.

13131330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65061.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13131330442 its reverse (24403313131), we get a palindrome (37534643573).

The spelling of 13131330442 in words is "thirteen billion, one hundred thirty-one million, three hundred thirty thousand, four hundred forty-two".