131026200571 has 32 divisors (see below), whose sum is σ = 159253585920. Its totient is φ = 105235462656.

The previous prime is 131026200541. The next prime is 131026200593. The reversal of 131026200571 is 175002620131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131026200571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131026200541) 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, 39192526 + ... + 39195868.

It is an arithmetic number, because the mean of its divisors is an integer number (4976674560).

Almost surely, 2^131026200571 is an apocalyptic number.

131026200571 is a deficient number, since it is larger than the sum of its proper divisors (28227385349).

131026200571 is a wasteful number, since it uses less digits than its factorization.

131026200571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 131026200571 in words is "one hundred thirty-one billion, twenty-six million, two hundred thousand, five hundred seventy-one".