31044010243 has 4 divisors (see below), whose sum is σ = 31073548888. Its totient is φ = 31014471600.

The previous prime is 31044010241. The next prime is 31044010247. The reversal of 31044010243 is 34201044013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31044010243 - 2¹ = 31044010241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31044010241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14767746 + ... + 14769847.

It is an arithmetic number, because the mean of its divisors is an integer number (7768387222).

Almost surely, 2^31044010243 is an apocalyptic number.

31044010243 is a deficient number, since it is larger than the sum of its proper divisors (29538645).

31044010243 is a wasteful number, since it uses less digits than its factorization.

31044010243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29538644.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31044010243 its reverse (34201044013), we get a palindrome (65245054256).

The spelling of 31044010243 in words is "thirty-one billion, forty-four million, ten thousand, two hundred forty-three".