31043145041 has 8 divisors (see below), whose sum is σ = 33164712480. Its totient is φ = 28970349408.

The previous prime is 31043145019. The next prime is 31043145043. The reversal of 31043145041 is 14054134013.

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 31043145041 - 2¹⁰ = 31043144017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31043145041.

It is not an unprimeable number, because it can be changed into a prime (31043145043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12191636 + ... + 12194181.

It is an arithmetic number, because the mean of its divisors is an integer number (4145589060).

Almost surely, 2^31043145041 is an apocalyptic number.

It is an amenable number.

31043145041 is a deficient number, since it is larger than the sum of its proper divisors (2121567439).

31043145041 is a wasteful number, since it uses less digits than its factorization.

31043145041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24385903.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 31043145041 its reverse (14054134013), we get a palindrome (45097279054).

The spelling of 31043145041 in words is "thirty-one billion, forty-three million, one hundred forty-five thousand, forty-one".