201333021131 has 16 divisors (see below), whose sum is σ = 225106560000. Its totient is φ = 178475745600.

The previous prime is 201333021119. The next prime is 201333021137. The reversal of 201333021131 is 131120333102.

It is a cyclic number.

It is not a de Polignac number, because 201333021131 - 2¹⁰ = 201333020107 is a prime.

It is a super-2 number, since 2×201333021131² (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 (201333021137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789890 + ... + 1013208.

It is an arithmetic number, because the mean of its divisors is an integer number (14069160000).

Almost surely, 2^201333021131 is an apocalyptic number.

201333021131 is a deficient number, since it is larger than the sum of its proper divisors (23773538869).

201333021131 is a wasteful number, since it uses less digits than its factorization.

201333021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225370.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 201333021131 its reverse (131120333102), we get a palindrome (332453354233).

The spelling of 201333021131 in words is "two hundred one billion, three hundred thirty-three million, twenty-one thousand, one hundred thirty-one".