131521552341 has 16 divisors (see below), whose sum is σ = 176535158400. Its totient is φ = 87096393728.

The previous prime is 131521552301. The next prime is 131521552361. The reversal of 131521552341 is 143255125131.

It is a cyclic number.

It is not a de Polignac number, because 131521552341 - 2²⁷ = 131387334613 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131521552301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39205 + ... + 514373.

It is an arithmetic number, because the mean of its divisors is an integer number (11033447400).

Almost surely, 2^131521552341 is an apocalyptic number.

It is an amenable number.

131521552341 is a deficient number, since it is larger than the sum of its proper divisors (45013606059).

131521552341 is a wasteful number, since it uses less digits than its factorization.

131521552341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475788.

The product of its digits is 18000, while the sum is 33.

Adding to 131521552341 its reverse (143255125131), we get a palindrome (274776677472).

The spelling of 131521552341 in words is "one hundred thirty-one billion, five hundred twenty-one million, five hundred fifty-two thousand, three hundred forty-one".