131241523 has 8 divisors (see below), whose sum is σ = 150141440. Its totient is φ = 112379400.

The previous prime is 131241497. The next prime is 131241527. The reversal of 131241523 is 325142131.

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 131241523 - 2²¹ = 129144371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131241494 and 131241503.

It is not an unprimeable number, because it can be changed into a prime (131241527) 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, 1563 + ... + 16276.

It is an arithmetic number, because the mean of its divisors is an integer number (18767680).

Almost surely, 2^131241523 is an apocalyptic number.

131241523 is a deficient number, since it is larger than the sum of its proper divisors (18899917).

131241523 is a wasteful number, since it uses less digits than its factorization.

131241523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18897.

The product of its digits is 720, while the sum is 22.

The square root of 131241523 is about 11456.0692648046. The cubic root of 131241523 is about 508.1872372298.

Adding to 131241523 its reverse (325142131), we get a palindrome (456383654).

The spelling of 131241523 in words is "one hundred thirty-one million, two hundred forty-one thousand, five hundred twenty-three".