31859044423 has 8 divisors (see below), whose sum is σ = 32642894592. Its totient is φ = 31079610936.

The previous prime is 31859044421. The next prime is 31859044457. The reversal of 31859044423 is 32444095813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31859044423 - 2¹ = 31859044421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31859044423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31859044421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089565 + ... + 1118422.

It is an arithmetic number, because the mean of its divisors is an integer number (4080361824).

Almost surely, 2^31859044423 is an apocalyptic number.

31859044423 is a deficient number, since it is larger than the sum of its proper divisors (783850169).

31859044423 is a wasteful number, since it uses less digits than its factorization.

31859044423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208341.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 31859044423 in words is "thirty-one billion, eight hundred fifty-nine million, forty-four thousand, four hundred twenty-three".