201100330231 has 2 divisors, whose sum is σ = 201100330232. Its totient is φ = 201100330230.

The previous prime is 201100330199. The next prime is 201100330253. The reversal of 201100330231 is 132033001102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201100330231 - 2⁵ = 201100330199 is a prime.

It is a super-2 number, since 2×201100330231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201100330931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550165115 + 100550165116.

It is an arithmetic number, because the mean of its divisors is an integer number (100550165116).

Almost surely, 2^201100330231 is an apocalyptic number.

201100330231 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100330231 is an equidigital number, since it uses as much as digits as its factorization.

201100330231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 201100330231 its reverse (132033001102), we get a palindrome (333133331333).

The spelling of 201100330231 in words is "two hundred one billion, one hundred million, three hundred thirty thousand, two hundred thirty-one".