31043743103 has 8 divisors (see below), whose sum is σ = 32401772928. Its totient is φ = 29686405144.

The previous prime is 31043743051. The next prime is 31043743109. The reversal of 31043743103 is 30134734013.

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 31043743103 - 2⁶ = 31043743039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31043743109) 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, 80201 + ... + 261762.

It is an arithmetic number, because the mean of its divisors is an integer number (4050221616).

Almost surely, 2^31043743103 is an apocalyptic number.

31043743103 is a deficient number, since it is larger than the sum of its proper divisors (1358029825).

31043743103 is a wasteful number, since it uses less digits than its factorization.

31043743103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345933.

The product of its (nonzero) digits is 9072, while the sum is 29.

The spelling of 31043743103 in words is "thirty-one billion, forty-three million, seven hundred forty-three thousand, one hundred three".