201233203123131 has 32 divisors (see below), whose sum is σ = 298972397387520. Its totient is φ = 133773370359552.

The previous prime is 201233203123103. The next prime is 201233203123151. The reversal of 201233203123131 is 131321302332102.

201233203123131 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 3 + 32 + 0 + 312 + 313 + 1 = 666.

It is not a de Polignac number, because 201233203123131 - 2⁶ = 201233203123067 is a prime.

It is a super-2 number, since 2×201233203123131² (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 = 201233203123095 and 201233203123104.

It is not an unprimeable number, because it can be changed into a prime (201233203123151) 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, 859607760 + ... + 859841826.

It is an arithmetic number, because the mean of its divisors is an integer number (9342887418360).

Almost surely, 2^{201233203123131} is an apocalyptic number.

201233203123131 is a deficient number, since it is larger than the sum of its proper divisors (97739194264389).

201233203123131 is a wasteful number, since it uses less digits than its factorization.

201233203123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324632 (or 324626 counting only the distinct ones).

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

Adding to 201233203123131 its reverse (131321302332102), we get a palindrome (332554505455233).

The spelling of 201233203123131 in words is "two hundred one trillion, two hundred thirty-three billion, two hundred three million, one hundred twenty-three thousand, one hundred thirty-one".