201023231321331 has 32 divisors (see below), whose sum is σ = 297936675671040. Its totient is φ = 133959481264800.

The previous prime is 201023231321299. The next prime is 201023231321369. The reversal of 201023231321331 is 133123132320102.

201023231321331 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 2 + 3 + 2 + 3 + 1 + 321 + 331 = 666.

It is not a de Polignac number, because 201023231321331 - 2⁵ = 201023231321299 is a prime.

It is a super-2 number, since 2×201023231321331² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 201023231321295 and 201023231321304.

It is not an unprimeable number, because it can be changed into a prime (201023231325331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 737236201 + ... + 737508821.

It is an arithmetic number, because the mean of its divisors is an integer number (9310521114720).

Almost surely, 2^{201023231321331} is an apocalyptic number.

201023231321331 is a deficient number, since it is larger than the sum of its proper divisors (96913444349709).

201023231321331 is a wasteful number, since it uses less digits than its factorization.

201023231321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283944 (or 283938 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 201023231321331 its reverse (133123132320102), we get a palindrome (334146363641433).

The spelling of 201023231321331 in words is "two hundred one trillion, twenty-three billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred thirty-one".