205202341010131 has 4 divisors (see below), whose sum is σ = 205202499782200. Its totient is φ = 205202182238064.

The previous prime is 205202341010129. The next prime is 205202341010203. The reversal of 205202341010131 is 131010143202502.

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 205202341010131 - 2¹ = 205202341010129 is a prime.

It is a super-2 number, since 2×205202341010131² (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 = 205202341010096 and 205202341010105.

It is not an unprimeable number, because it can be changed into a prime (205202341010101) 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 3 ways as a sum of consecutive naturals, for example, 77431341 + ... + 80037598.

It is an arithmetic number, because the mean of its divisors is an integer number (51300624945550).

Almost surely, 2^{205202341010131} is an apocalyptic number.

205202341010131 is a deficient number, since it is larger than the sum of its proper divisors (158772069).

205202341010131 is a wasteful number, since it uses less digits than its factorization.

205202341010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158772068.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 205202341010131 its reverse (131010143202502), we get a palindrome (336212484212633).

The spelling of 205202341010131 in words is "two hundred five trillion, two hundred two billion, three hundred forty-one million, ten thousand, one hundred thirty-one".