201130123211231 has 8 divisors (see below), whose sum is σ = 201493595191680. Its totient is φ = 200766775569048.

The previous prime is 201130123211203. The next prime is 201130123211233. The reversal of 201130123211231 is 132112321031102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201130123211231 is a prime.

It is a super-2 number, since 2×201130123211231² (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 = 201130123211197 and 201130123211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201130123211233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27846131 + ... + 34317156.

It is an arithmetic number, because the mean of its divisors is an integer number (25186699398960).

Almost surely, 2^{201130123211231} is an apocalyptic number.

201130123211231 is a deficient number, since it is larger than the sum of its proper divisors (363471980449).

201130123211231 is an equidigital number, since it uses as much as digits as its factorization.

201130123211231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62169133.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 201130123211231 its reverse (132112321031102), we get a palindrome (333242444242333).

The spelling of 201130123211231 in words is "two hundred one trillion, one hundred thirty billion, one hundred twenty-three million, two hundred eleven thousand, two hundred thirty-one".