133031443231444 has 24 divisors (see below), whose sum is σ = 235660697153280. Its totient is φ = 65700160995264.

The previous prime is 133031443231403. The next prime is 133031443231639. The reversal of 133031443231444 is 444132344130331.

It is a junction number, because it is equal to n+sod(n) for n = 133031443231397 and 133031443231406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41647729 + ... + 44728024.

It is an arithmetic number, because the mean of its divisors is an integer number (9819195714720).

Almost surely, 2^{133031443231444} is an apocalyptic number.

It is an amenable number.

133031443231444 is a deficient number, since it is larger than the sum of its proper divisors (102629253921836).

133031443231444 is a wasteful number, since it uses less digits than its factorization.

133031443231444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86380479 (or 86380477 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 40.

Adding to 133031443231444 its reverse (444132344130331), we get a palindrome (577163787361775).

The spelling of 133031443231444 in words is "one hundred thirty-three trillion, thirty-one billion, four hundred forty-three million, two hundred thirty-one thousand, four hundred forty-four".