131544520351 has 4 divisors (see below), whose sum is σ = 131934860512. Its totient is φ = 131154180192.

The previous prime is 131544520277. The next prime is 131544520421. The reversal of 131544520351 is 153025445131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131544520351 - 2¹⁹ = 131543996063 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 (131544520651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195169575 + ... + 195170248.

It is an arithmetic number, because the mean of its divisors is an integer number (32983715128).

Almost surely, 2^131544520351 is an apocalyptic number.

131544520351 is a deficient number, since it is larger than the sum of its proper divisors (390340161).

131544520351 is an equidigital number, since it uses as much as digits as its factorization.

131544520351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390340160.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 131544520351 its reverse (153025445131), we get a palindrome (284569965482).

The spelling of 131544520351 in words is "one hundred thirty-one billion, five hundred forty-four million, five hundred twenty thousand, three hundred fifty-one".