131526230131 has 8 divisors (see below), whose sum is σ = 133209144000. Its totient is φ = 129843767040.

The previous prime is 131526230123. The next prime is 131526230137. The reversal of 131526230131 is 131032625131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131526230131 - 2³ = 131526230123 is a prime.

It is a super-2 number, since 2×131526230131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131526230131.

It is not an unprimeable number, because it can be changed into a prime (131526230137) 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 7 ways as a sum of consecutive naturals, for example, 495441 + ... + 713101.

It is an arithmetic number, because the mean of its divisors is an integer number (16651143000).

Almost surely, 2^131526230131 is an apocalyptic number.

131526230131 is a deficient number, since it is larger than the sum of its proper divisors (1682913869).

131526230131 is an equidigital number, since it uses as much as digits as its factorization.

131526230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225389.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 131526230131 its reverse (131032625131), we get a palindrome (262558855262).

The spelling of 131526230131 in words is "one hundred thirty-one billion, five hundred twenty-six million, two hundred thirty thousand, one hundred thirty-one".