211303092131 has 2 divisors, whose sum is σ = 211303092132. Its totient is φ = 211303092130.

The previous prime is 211303092113. The next prime is 211303092139. The reversal of 211303092131 is 131290303112.

211303092131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (211303092113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211303092131 is a prime.

It is a super-2 number, since 2×211303092131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211303092131.

It is not a weakly prime, because it can be changed into another prime (211303092139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105651546065 + 105651546066.

It is an arithmetic number, because the mean of its divisors is an integer number (105651546066).

Almost surely, 2^211303092131 is an apocalyptic number.

211303092131 is a deficient number, since it is larger than the sum of its proper divisors (1).

211303092131 is an equidigital number, since it uses as much as digits as its factorization.

211303092131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 211303092131 its reverse (131290303112), we get a palindrome (342593395243).

The spelling of 211303092131 in words is "two hundred eleven billion, three hundred three million, ninety-two thousand, one hundred thirty-one".