213031323113 has 16 divisors (see below), whose sum is σ = 244175407104. Its totient is φ = 182065371840.

The previous prime is 213031323077. The next prime is 213031323137. The reversal of 213031323113 is 311323130312.

It is a cyclic number.

It is not a de Polignac number, because 213031323113 - 2¹⁶ = 213031257577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213031323163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7603256 + ... + 7631222.

It is an arithmetic number, because the mean of its divisors is an integer number (15260962944).

Almost surely, 2^213031323113 is an apocalyptic number.

It is an amenable number.

213031323113 is a deficient number, since it is larger than the sum of its proper divisors (31144083991).

213031323113 is a wasteful number, since it uses less digits than its factorization.

213031323113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31112.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 213031323113 its reverse (311323130312), we get a palindrome (524354453425).

The spelling of 213031323113 in words is "two hundred thirteen billion, thirty-one million, three hundred twenty-three thousand, one hundred thirteen".