131571020051 has 8 divisors (see below), whose sum is σ = 140843198400. Its totient is φ = 122533580520.

The previous prime is 131571020023. The next prime is 131571020149. The reversal of 131571020051 is 150020175131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131571020051 - 2¹⁴ = 131571003667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131571020051.

It is not an unprimeable number, because it can be changed into a prime (131571025051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58683545 + ... + 58685786.

It is an arithmetic number, because the mean of its divisors is an integer number (17605399800).

Almost surely, 2^131571020051 is an apocalyptic number.

131571020051 is a deficient number, since it is larger than the sum of its proper divisors (9272178349).

131571020051 is a wasteful number, since it uses less digits than its factorization.

131571020051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117369409.

The product of its (nonzero) digits is 1050, while the sum is 26.

Adding to 131571020051 its reverse (150020175131), we get a palindrome (281591195182).

The spelling of 131571020051 in words is "one hundred thirty-one billion, five hundred seventy-one million, twenty thousand, fifty-one".