201131322333131 has 4 divisors (see below), whose sum is σ = 201160628958432. Its totient is φ = 201102015707832.

The previous prime is 201131322333103. The next prime is 201131322333247. The reversal of 201131322333131 is 131333223131102.

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 201131322333131 - 2¹⁰ = 201131322332107 is a prime.

It is a super-2 number, since 2×201131322333131² (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 = 201131322333094 and 201131322333103.

It is not an unprimeable number, because it can be changed into a prime (201131322353131) 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, 14653302356 + ... + 14653316081.

It is an arithmetic number, because the mean of its divisors is an integer number (50290157239608).

Almost surely, 2^{201131322333131} is an apocalyptic number.

201131322333131 is a deficient number, since it is larger than the sum of its proper divisors (29306625301).

201131322333131 is an equidigital number, since it uses as much as digits as its factorization.

201131322333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29306625300.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 201131322333131 its reverse (131333223131102), we get a palindrome (332464545464233).

The spelling of 201131322333131 in words is "two hundred one trillion, one hundred thirty-one billion, three hundred twenty-two million, three hundred thirty-three thousand, one hundred thirty-one".