212303031113 has 4 divisors (see below), whose sum is σ = 212304061200. Its totient is φ = 212302001028.

The previous prime is 212303031103. The next prime is 212303031163. The reversal of 212303031113 is 311130303212.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212303031113 - 2²⁰ = 212301982537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212303031103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87695 + ... + 657492.

It is an arithmetic number, because the mean of its divisors is an integer number (53076015300).

Almost surely, 2^212303031113 is an apocalyptic number.

It is an amenable number.

212303031113 is a deficient number, since it is larger than the sum of its proper divisors (1030087).

212303031113 is an equidigital number, since it uses as much as digits as its factorization.

212303031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030086.

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

Adding to 212303031113 its reverse (311130303212), we get a palindrome (523433334325).

The spelling of 212303031113 in words is "two hundred twelve billion, three hundred three million, thirty-one thousand, one hundred thirteen".