131320605332 has 24 divisors (see below), whose sum is σ = 262659608064. Its totient is φ = 56276317152.

The previous prime is 131320605331. The next prime is 131320605343. The reversal of 131320605332 is 233506023131.

It is a junction number, because it is equal to n+sod(n) for n = 131320605295 and 131320605304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131320605331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262013 + ... + 575579.

It is an arithmetic number, because the mean of its divisors is an integer number (10944150336).

Almost surely, 2^131320605332 is an apocalyptic number.

It is an amenable number.

131320605332 is an abundant number, since it is smaller than the sum of its proper divisors (131339002732).

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

131320605332 is a wasteful number, since it uses less digits than its factorization.

131320605332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328535 (or 328533 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 131320605332 its reverse (233506023131), we get a palindrome (364826628463).

The spelling of 131320605332 in words is "one hundred thirty-one billion, three hundred twenty million, six hundred five thousand, three hundred thirty-two".