211202030233231 has 4 divisors (see below), whose sum is σ = 218014998950464. Its totient is φ = 204389061516000.

The previous prime is 211202030233223. The next prime is 211202030233237. The reversal of 211202030233231 is 132332030202112.

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 211202030233231 - 2³ = 211202030233223 is a prime.

It is a super-2 number, since 2×211202030233231² (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 = 211202030233196 and 211202030233205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202030233237) 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, 3406484358570 + ... + 3406484358631.

It is an arithmetic number, because the mean of its divisors is an integer number (54503749737616).

Almost surely, 2^{211202030233231} is an apocalyptic number.

211202030233231 is a deficient number, since it is larger than the sum of its proper divisors (6812968717233).

211202030233231 is an equidigital number, since it uses as much as digits as its factorization.

211202030233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812968717232.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 211202030233231 its reverse (132332030202112), we get a palindrome (343534060435343).

The spelling of 211202030233231 in words is "two hundred eleven trillion, two hundred two billion, thirty million, two hundred thirty-three thousand, two hundred thirty-one".