13531142422 has 64 divisors (see below), whose sum is σ = 24522393600. Its totient is φ = 5476947840.

The previous prime is 13531142381. The next prime is 13531142447. The reversal of 13531142422 is 22424113531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9273529 + ... + 9274987.

It is an arithmetic number, because the mean of its divisors is an integer number (383162400).

Almost surely, 2^13531142422 is an apocalyptic number.

13531142422 is a deficient number, since it is larger than the sum of its proper divisors (10991251178).

13531142422 is a wasteful number, since it uses less digits than its factorization.

13531142422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its digits is 5760, while the sum is 28.

Adding to 13531142422 its reverse (22424113531), we get a palindrome (35955255953).

The spelling of 13531142422 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-two thousand, four hundred twenty-two".