212331030113 has 2 divisors, whose sum is σ = 212331030114. Its totient is φ = 212331030112.

The previous prime is 212331030101. The next prime is 212331030181. The reversal of 212331030113 is 311030133212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211957110544 + 373919569 = 460388^2 + 19337^2 .

It is a cyclic number.

It is not a de Polignac number, because 212331030113 - 2¹⁰ = 212331029089 is a prime.

It is not a weakly prime, because it can be changed into another prime (212331030313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106165515056 + 106165515057.

It is an arithmetic number, because the mean of its divisors is an integer number (106165515057).

Almost surely, 2^212331030113 is an apocalyptic number.

It is an amenable number.

212331030113 is a deficient number, since it is larger than the sum of its proper divisors (1).

212331030113 is an equidigital number, since it uses as much as digits as its factorization.

212331030113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 212331030113 its reverse (311030133212), we get a palindrome (523361163325).

The spelling of 212331030113 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, one hundred thirteen".