201000133231 has 2 divisors, whose sum is σ = 201000133232. Its totient is φ = 201000133230.

The previous prime is 201000133219. The next prime is 201000133249. The reversal of 201000133231 is 132331000102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201000133231 - 2³³ = 192410198639 is a prime.

It is a super-2 number, since 2×201000133231² (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 (201000137231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500066615 + 100500066616.

It is an arithmetic number, because the mean of its divisors is an integer number (100500066616).

Almost surely, 2^201000133231 is an apocalyptic number.

201000133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000133231 is an equidigital number, since it uses as much as digits as its factorization.

201000133231 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 201000133231 its reverse (132331000102), we get a palindrome (333331133333).

The spelling of 201000133231 in words is "two hundred one billion, one hundred thirty-three thousand, two hundred thirty-one".