206003105545131 has 12 divisors (see below), whose sum is σ = 297581925761952. Its totient is φ = 137325303195696.

The previous prime is 206003105545129. The next prime is 206003105545217. The reversal of 206003105545131 is 131545501300602.

206003105545131 is a `hidden beast` number, since 2 + 0 + 6 + 0 + 0 + 3 + 105 + 545 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 206003105545131 - 2¹ = 206003105545129 is a prime.

It is a super-2 number, since 2×206003105545131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206003105545331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841579251 + ... + 841823996.

It is an arithmetic number, because the mean of its divisors is an integer number (24798493813496).

Almost surely, 2^{206003105545131} is an apocalyptic number.

206003105545131 is a deficient number, since it is larger than the sum of its proper divisors (91578820216821).

206003105545131 is a wasteful number, since it uses less digits than its factorization.

206003105545131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683416850 (or 1683416847 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 206003105545131 its reverse (131545501300602), we get a palindrome (337548606845733).

The spelling of 206003105545131 in words is "two hundred six trillion, three billion, one hundred five million, five hundred forty-five thousand, one hundred thirty-one".