31043041411 has 4 divisors (see below), whose sum is σ = 31045046824. Its totient is φ = 31041036000.

The previous prime is 31043041279. The next prime is 31043041487. The reversal of 31043041411 is 11414034013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11414034013 = 92467 ⋅123439.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31043041411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31043042411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979305 + ... + 1010506.

It is an arithmetic number, because the mean of its divisors is an integer number (7761261706).

Almost surely, 2^31043041411 is an apocalyptic number.

31043041411 is a deficient number, since it is larger than the sum of its proper divisors (2005413).

31043041411 is a wasteful number, since it uses less digits than its factorization.

31043041411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005412.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31043041411 its reverse (11414034013), we get a palindrome (42457075424).

The spelling of 31043041411 in words is "thirty-one billion, forty-three million, forty-one thousand, four hundred eleven".