131325334556 has 24 divisors (see below), whose sum is σ = 247613554944. Its totient is φ = 60583331520.

The previous prime is 131325334549. The next prime is 131325334559. The reversal of 131325334556 is 655433523131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131325334559) 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, 478460 + ... + 701123.

It is an arithmetic number, because the mean of its divisors is an integer number (10317231456).

Almost surely, 2^131325334556 is an apocalyptic number.

It is an amenable number.

131325334556 is a deficient number, since it is larger than the sum of its proper divisors (116288220388).

131325334556 is a wasteful number, since it uses less digits than its factorization.

131325334556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181741 (or 1181739 counting only the distinct ones).

The product of its digits is 486000, while the sum is 41.

Adding to 131325334556 its reverse (655433523131), we get a palindrome (786758857687).

The spelling of 131325334556 in words is "one hundred thirty-one billion, three hundred twenty-five million, three hundred thirty-four thousand, five hundred fifty-six".