131206603062857 has 24 divisors (see below), whose sum is σ = 156181348620000. Its totient is φ = 109844737765056.

The previous prime is 131206603062809. The next prime is 131206603062883. The reversal of 131206603062857 is 758260306602131.

It is not a de Polignac number, because 131206603062857 - 2⁴⁴ = 113614417018441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131206603062257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89131394 + ... + 90591492.

It is an arithmetic number, because the mean of its divisors is an integer number (6507556192500).

Almost surely, 2^{131206603062857} is an apocalyptic number.

It is an amenable number.

131206603062857 is a deficient number, since it is larger than the sum of its proper divisors (24974745557143).

131206603062857 is a wasteful number, since it uses less digits than its factorization.

131206603062857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502805 (or 1502798 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

Adding to 131206603062857 its reverse (758260306602131), we get a palindrome (889466909664988).

The spelling of 131206603062857 in words is "one hundred thirty-one trillion, two hundred six billion, six hundred three million, sixty-two thousand, eight hundred fifty-seven".