231132112000444 has 12 divisors (see below), whose sum is σ = 410518228777384. Its totient is φ = 113841189492624.

The previous prime is 231132112000417. The next prime is 231132112000477. The reversal of 231132112000444 is 444000211231132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431216626599 + ... + 431216627134.

Almost surely, 2^{231132112000444} is an apocalyptic number.

It is an amenable number.

231132112000444 is a deficient number, since it is larger than the sum of its proper divisors (179386116776940).

231132112000444 is a wasteful number, since it uses less digits than its factorization.

231132112000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862433253804 (or 862433253802 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 231132112000444 its reverse (444000211231132), we get a palindrome (675132323231576).

The spelling of 231132112000444 in words is "two hundred thirty-one trillion, one hundred thirty-two billion, one hundred twelve million, four hundred forty-four", and thus it is an aban number.