201133001131 has 4 divisors (see below), whose sum is σ = 201143004552. Its totient is φ = 201122997712.

The previous prime is 201133001089. The next prime is 201133001149. The reversal of 201133001131 is 131100331102.

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 201133001131 - 2¹³ = 201132992939 is a prime.

It is a super-2 number, since 2×201133001131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201133001171) 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, 4971490 + ... + 5011783.

It is an arithmetic number, because the mean of its divisors is an integer number (50285751138).

Almost surely, 2^201133001131 is an apocalyptic number.

201133001131 is a deficient number, since it is larger than the sum of its proper divisors (10003421).

201133001131 is an equidigital number, since it uses as much as digits as its factorization.

201133001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003420.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 201133001131 its reverse (131100331102), we get a palindrome (332233332233).

The spelling of 201133001131 in words is "two hundred one billion, one hundred thirty-three million, one thousand, one hundred thirty-one".