211310332913 has 2 divisors, whose sum is σ = 211310332914. Its totient is φ = 211310332912.

The previous prime is 211310332729. The next prime is 211310332991. The reversal of 211310332913 is 319233013112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203480383744 + 7829949169 = 451088^2 + 88487^2 .

It is a cyclic number.

It is not a de Polignac number, because 211310332913 - 2²² = 211306138609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (211310337913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105655166456 + 105655166457.

It is an arithmetic number, because the mean of its divisors is an integer number (105655166457).

Almost surely, 2^211310332913 is an apocalyptic number.

It is an amenable number.

211310332913 is a deficient number, since it is larger than the sum of its proper divisors (1).

211310332913 is an equidigital number, since it uses as much as digits as its factorization.

211310332913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 211310332913 in words is "two hundred eleven billion, three hundred ten million, three hundred thirty-two thousand, nine hundred thirteen".