31103433441 has 12 divisors (see below), whose sum is σ = 45390349732. Its totient is φ = 20521852416.

The previous prime is 31103433419. The next prime is 31103433451. The reversal of 31103433441 is 14433430113.

31103433441 is a `hidden beast` number, since 311 + 0 + 3 + 4 + 3 + 344 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19748399841 + 11355033600 = 140529^2 + 106560^2 .

It is not a de Polignac number, because 31103433441 - 2¹⁰ = 31103432417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31103433451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17813236 + ... + 17814981.

Almost surely, 2^31103433441 is an apocalyptic number.

It is an amenable number.

31103433441 is a deficient number, since it is larger than the sum of its proper divisors (14286916291).

31103433441 is a wasteful number, since it uses less digits than its factorization.

31103433441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35628320 (or 35628317 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 31103433441 its reverse (14433430113), we get a palindrome (45536863554).

The spelling of 31103433441 in words is "thirty-one billion, one hundred three million, four hundred thirty-three thousand, four hundred forty-one".