131550135204340 has 12 divisors (see below), whose sum is σ = 276255283929156. Its totient is φ = 52620054081728.

The previous prime is 131550135204329. The next prime is 131550135204413. The reversal of 131550135204340 is 43402531055131.

It can be written as a sum of positive squares in 2 ways, for example, as 19696074776676 + 111854060427664 = 4438026^2 + 10576108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131550135204340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3288753380089 + ... + 3288753380128.

It is an arithmetic number, because the mean of its divisors is an integer number (23021273660763).

Almost surely, 2^{131550135204340} is an apocalyptic number.

131550135204340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131550135204340 is an abundant number, since it is smaller than the sum of its proper divisors (144705148724816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131550135204340 is a wasteful number, since it uses less digits than its factorization.

131550135204340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577506760226 (or 6577506760224 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 131550135204340 its reverse (43402531055131), we get a palindrome (174952666259471).

The spelling of 131550135204340 in words is "one hundred thirty-one trillion, five hundred fifty billion, one hundred thirty-five million, two hundred four thousand, three hundred forty".