2131311052411 has 2 divisors, whose sum is σ = 2131311052412. Its totient is φ = 2131311052410.

The previous prime is 2131311052393. The next prime is 2131311052447. The reversal of 2131311052411 is 1142501131312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131311052411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131311652411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065655526205 + 1065655526206.

It is an arithmetic number, because the mean of its divisors is an integer number (1065655526206).

Almost surely, 2^{2131311052411} is an apocalyptic number.

2131311052411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131311052411 is an equidigital number, since it uses as much as digits as its factorization.

2131311052411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 2131311052411 its reverse (1142501131312), we get a palindrome (3273812183723).

The spelling of 2131311052411 in words is "two trillion, one hundred thirty-one billion, three hundred eleven million, fifty-two thousand, four hundred eleven".