3131042397211 has 2 divisors, whose sum is σ = 3131042397212. Its totient is φ = 3131042397210.

The previous prime is 3131042397209. The next prime is 3131042397271. The reversal of 3131042397211 is 1127932401313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3131042397211 - 2¹ = 3131042397209 is a prime.

Together with 3131042397209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3131042397271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565521198605 + 1565521198606.

It is an arithmetic number, because the mean of its divisors is an integer number (1565521198606).

Almost surely, 2^{3131042397211} is an apocalyptic number.

3131042397211 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131042397211 is an equidigital number, since it uses as much as digits as its factorization.

3131042397211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

Adding to 3131042397211 its reverse (1127932401313), we get a palindrome (4258974798524).

It can be divided in two parts, 3131042 and 397211, that added together give a palindrome (3528253).

The spelling of 3131042397211 in words is "three trillion, one hundred thirty-one billion, forty-two million, three hundred ninety-seven thousand, two hundred eleven".