13422444331 has 32 divisors (see below), whose sum is σ = 14217840000. Its totient is φ = 12659328000.

The previous prime is 13422444247. The next prime is 13422444337. The reversal of 13422444331 is 13344422431.

It is a cyclic number.

It is not a de Polignac number, because 13422444331 - 2⁹ = 13422443819 is a prime.

It is a super-2 number, since 2×13422444331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13422444293 and 13422444302.

It is not an unprimeable number, because it can be changed into a prime (13422444337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67449370 + ... + 67449568.

It is an arithmetic number, because the mean of its divisors is an integer number (444307500).

Almost surely, 2^13422444331 is an apocalyptic number.

13422444331 is a deficient number, since it is larger than the sum of its proper divisors (795395669).

13422444331 is a wasteful number, since it uses less digits than its factorization.

13422444331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its digits is 27648, while the sum is 31.

Adding to 13422444331 its reverse (13344422431), we get a palindrome (26766866762).

The spelling of 13422444331 in words is "thirteen billion, four hundred twenty-two million, four hundred forty-four thousand, three hundred thirty-one".