211232323011013 has 4 divisors (see below), whose sum is σ = 211232431451808. Its totient is φ = 211232214570220.

The previous prime is 211232323010957. The next prime is 211232323011097. The reversal of 211232323011013 is 310110323232112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211232323011013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211232323011113) 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 in 3 ways as a sum of consecutive naturals, for example, 51244081 + ... + 55212502.

It is an arithmetic number, because the mean of its divisors is an integer number (52808107862952).

Almost surely, 2^{211232323011013} is an apocalyptic number.

It is an amenable number.

211232323011013 is a deficient number, since it is larger than the sum of its proper divisors (108440795).

211232323011013 is a wasteful number, since it uses less digits than its factorization.

211232323011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108440794.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 211232323011013 its reverse (310110323232112), we get a palindrome (521342646243125).

The spelling of 211232323011013 in words is "two hundred eleven trillion, two hundred thirty-two billion, three hundred twenty-three million, eleven thousand, thirteen".