31043314211 has 16 divisors (see below), whose sum is σ = 38256926400. Its totient is φ = 24529747968.

The previous prime is 31043314207. The next prime is 31043314229. The reversal of 31043314211 is 11241334013.

It is a cyclic number.

It is not a de Polignac number, because 31043314211 - 2² = 31043314207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31043314261) 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 15 ways as a sum of consecutive naturals, for example, 151826 + ... + 291783.

It is an arithmetic number, because the mean of its divisors is an integer number (2391057900).

Almost surely, 2^31043314211 is an apocalyptic number.

31043314211 is a deficient number, since it is larger than the sum of its proper divisors (7213612189).

31043314211 is a wasteful number, since it uses less digits than its factorization.

31043314211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444398.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31043314211 its reverse (11241334013), we get a palindrome (42284648224).

The spelling of 31043314211 in words is "thirty-one billion, forty-three million, three hundred fourteen thousand, two hundred eleven".