212202300231031 has 4 divisors (see below), whose sum is σ = 231493418433864. Its totient is φ = 192911182028200.

The previous prime is 212202300231001. The next prime is 212202300231071. The reversal of 212202300231031 is 130132003202212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212202300231031 - 2¹¹ = 212202300228983 is a prime.

It is a super-2 number, since 2×212202300231031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212202300230993 and 212202300231011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202300231001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9645559101400 + ... + 9645559101421.

It is an arithmetic number, because the mean of its divisors is an integer number (57873354608466).

Almost surely, 2^{212202300231031} is an apocalyptic number.

212202300231031 is a deficient number, since it is larger than the sum of its proper divisors (19291118202833).

212202300231031 is a wasteful number, since it uses less digits than its factorization.

212202300231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19291118202832.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212202300231031 its reverse (130132003202212), we get a palindrome (342334303433243).

The spelling of 212202300231031 in words is "two hundred twelve trillion, two hundred two billion, three hundred million, two hundred thirty-one thousand, thirty-one".