31043105439 has 8 divisors (see below), whose sum is σ = 41392518192. Its totient is φ = 20694548160.

The previous prime is 31043105417. The next prime is 31043105447. The reversal of 31043105439 is 93450134013.

It is a happy number.

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

It is not a de Polignac number, because 31043105439 - 2⁸ = 31043105183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31043105839) 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, 123774 + ... + 278219.

It is an arithmetic number, because the mean of its divisors is an integer number (5174064774).

Almost surely, 2^31043105439 is an apocalyptic number.

31043105439 is a deficient number, since it is larger than the sum of its proper divisors (10349412753).

31043105439 is a wasteful number, since it uses less digits than its factorization.

31043105439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427737.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 31043105439 in words is "thirty-one billion, forty-three million, one hundred five thousand, four hundred thirty-nine".