13231445422 has 16 divisors (see below), whose sum is σ = 21459038832. Its totient is φ = 6082488000.

The previous prime is 13231445417. The next prime is 13231445449. The reversal of 13231445422 is 22454413231.

It is a super-3 number, since 3×13231445422³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007223 + ... + 1020274.

It is an arithmetic number, because the mean of its divisors is an integer number (1341189927).

Almost surely, 2^13231445422 is an apocalyptic number.

13231445422 is a deficient number, since it is larger than the sum of its proper divisors (8227593410).

13231445422 is a wasteful number, since it uses less digits than its factorization.

13231445422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027763.

The product of its digits is 23040, while the sum is 31.

Adding to 13231445422 its reverse (22454413231), we get a palindrome (35685858653).

The spelling of 13231445422 in words is "thirteen billion, two hundred thirty-one million, four hundred forty-five thousand, four hundred twenty-two".