31043002043 has 8 divisors (see below), whose sum is σ = 32941728000. Its totient is φ = 29190028648.

The previous prime is 31043001989. The next prime is 31043002073. The reversal of 31043002043 is 34020034013.

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 31043002043 - 2²² = 31038807739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31043002073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11436743 + ... + 11439456.

It is an arithmetic number, because the mean of its divisors is an integer number (4117716000).

Almost surely, 2^31043002043 is an apocalyptic number.

31043002043 is a deficient number, since it is larger than the sum of its proper divisors (1898725957).

31043002043 is a wasteful number, since it uses less digits than its factorization.

31043002043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22876281.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31043002043 its reverse (34020034013), we get a palindrome (65063036056).

The spelling of 31043002043 in words is "thirty-one billion, forty-three million, two thousand, forty-three".