31044441489 has 16 divisors (see below), whose sum is σ = 43941906432. Its totient is φ = 19427994368.

The previous prime is 31044441473. The next prime is 31044441497. The reversal of 31044441489 is 98414444013.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31044441489 - 2⁴ = 31044441473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31044441489.

It is not an unprimeable number, because it can be changed into a prime (31044443489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775134 + ... + 814199.

It is an arithmetic number, because the mean of its divisors is an integer number (2746369152).

Almost surely, 2^31044441489 is an apocalyptic number.

It is an amenable number.

31044441489 is a deficient number, since it is larger than the sum of its proper divisors (12897464943).

31044441489 is a wasteful number, since it uses less digits than its factorization.

31044441489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589736.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 31044441489 in words is "thirty-one billion, forty-four million, four hundred forty-one thousand, four hundred eighty-nine".