201131331323 has 8 divisors (see below), whose sum is σ = 219835853328. Its totient is φ = 182888649504.

The previous prime is 201131331319. The next prime is 201131331329. The reversal of 201131331323 is 323133131102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201131331323 - 2² = 201131331319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201131331329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115459136 + ... + 115460877.

It is an arithmetic number, because the mean of its divisors is an integer number (27479481666).

Almost surely, 2^201131331323 is an apocalyptic number.

201131331323 is a deficient number, since it is larger than the sum of its proper divisors (18704522005).

201131331323 is a wasteful number, since it uses less digits than its factorization.

201131331323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230920093.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 201131331323 its reverse (323133131102), we get a palindrome (524264462425).

The spelling of 201131331323 in words is "two hundred one billion, one hundred thirty-one million, three hundred thirty-one thousand, three hundred twenty-three".