13445422431 has 16 divisors (see below), whose sum is σ = 20495328000. Its totient is φ = 7680449088.

The previous prime is 13445422379. The next prime is 13445422433. The reversal of 13445422431 is 13422454431.

It is not a de Polignac number, because 13445422431 - 2⁷ = 13445422303 is a prime.

It is a super-2 number, since 2×13445422431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13445422392 and 13445422401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445422433) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47206 + ... + 170643.

It is an arithmetic number, because the mean of its divisors is an integer number (1280958000).

Almost surely, 2^13445422431 is an apocalyptic number.

13445422431 is a deficient number, since it is larger than the sum of its proper divisors (7049905569).

13445422431 is a wasteful number, since it uses less digits than its factorization.

13445422431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220798.

The product of its digits is 46080, while the sum is 33.

Adding to 13445422431 its reverse (13422454431), we get a palindrome (26867876862).

The spelling of 13445422431 in words is "thirteen billion, four hundred forty-five million, four hundred twenty-two thousand, four hundred thirty-one".