31043023043 has 8 divisors (see below), whose sum is σ = 33319345968. Its totient is φ = 28816729344.

The previous prime is 31043023031. The next prime is 31043023049. The reversal of 31043023043 is 34032034013.

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 31043023043 - 2⁴ = 31043023027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31043023049) 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, 12506021 + ... + 12508502.

It is an arithmetic number, because the mean of its divisors is an integer number (4164918246).

Almost surely, 2^31043023043 is an apocalyptic number.

31043023043 is a deficient number, since it is larger than the sum of its proper divisors (2276322925).

31043023043 is a wasteful number, since it uses less digits than its factorization.

31043023043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25014613.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31043023043 its reverse (34032034013), we get a palindrome (65075057056).

The spelling of 31043023043 in words is "thirty-one billion, forty-three million, twenty-three thousand, forty-three".