31244505423 has 8 divisors (see below), whose sum is σ = 41661294000. Its totient is φ = 20828693568.

The previous prime is 31244505419. The next prime is 31244505517. The reversal of 31244505423 is 32450544213.

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

It is not a de Polignac number, because 31244505423 - 2² = 31244505419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31244505823) 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 7 ways as a sum of consecutive naturals, for example, 165958 + ... + 300051.

It is an arithmetic number, because the mean of its divisors is an integer number (5207661750).

Almost surely, 2^31244505423 is an apocalyptic number.

31244505423 is a deficient number, since it is larger than the sum of its proper divisors (10416788577).

31244505423 is a wasteful number, since it uses less digits than its factorization.

31244505423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488361.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 31244505423 in words is "thirty-one billion, two hundred forty-four million, five hundred five thousand, four hundred twenty-three".