131344331523 has 8 divisors (see below), whose sum is σ = 175127456448. Its totient is φ = 87562047144.

The previous prime is 131344331513. The next prime is 131344331537. The reversal of 131344331523 is 325133443131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131344331523 - 2¹⁴ = 131344315139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131344331513) 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, 457536 + ... + 687042.

It is an arithmetic number, because the mean of its divisors is an integer number (21890932056).

Almost surely, 2^131344331523 is an apocalyptic number.

131344331523 is a deficient number, since it is larger than the sum of its proper divisors (43783124925).

131344331523 is a wasteful number, since it uses less digits than its factorization.

131344331523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420273.

The product of its digits is 38880, while the sum is 33.

Adding to 131344331523 its reverse (325133443131), we get a palindrome (456477774654).

The spelling of 131344331523 in words is "one hundred thirty-one billion, three hundred forty-four million, three hundred thirty-one thousand, five hundred twenty-three".