13231033444 has 12 divisors (see below), whose sum is σ = 23447401600. Its totient is φ = 6531775848.

The previous prime is 13231033427. The next prime is 13231033469. The reversal of 13231033444 is 44433013231.

It is a super-2 number, since 2×13231033444² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20934864 + ... + 20935495.

Almost surely, 2^13231033444 is an apocalyptic number.

It is an amenable number.

13231033444 is a deficient number, since it is larger than the sum of its proper divisors (10216368156).

13231033444 is a wasteful number, since it uses less digits than its factorization.

13231033444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41870442 (or 41870440 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13231033444 its reverse (44433013231), we get a palindrome (57664046675).

The spelling of 13231033444 in words is "thirteen billion, two hundred thirty-one million, thirty-three thousand, four hundred forty-four".