131331534511 has 8 divisors (see below), whose sum is σ = 139311146160. Its totient is φ = 123380170368.

The previous prime is 131331534479. The next prime is 131331534539. The reversal of 131331534511 is 115435133131.

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 131331534511 - 2⁵ = 131331534479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131331534211) 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 7 ways as a sum of consecutive naturals, for example, 7052296 + ... + 7070893.

It is an arithmetic number, because the mean of its divisors is an integer number (17413893270).

Almost surely, 2^131331534511 is an apocalyptic number.

131331534511 is a deficient number, since it is larger than the sum of its proper divisors (7979611649).

131331534511 is a wasteful number, since it uses less digits than its factorization.

131331534511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14123753.

The product of its digits is 8100, while the sum is 31.

Adding to 131331534511 its reverse (115435133131), we get a palindrome (246766667642).

The spelling of 131331534511 in words is "one hundred thirty-one billion, three hundred thirty-one million, five hundred thirty-four thousand, five hundred eleven".