131350233522 has 16 divisors (see below), whose sum is σ = 265865533920. Its totient is φ = 43255900032.

The previous prime is 131350233481. The next prime is 131350233527. The reversal of 131350233522 is 225332053131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131350233522.

It is not an unprimeable number, because it can be changed into a prime (131350233527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131877247 + ... + 131878242.

It is an arithmetic number, because the mean of its divisors is an integer number (16616595870).

Almost surely, 2^131350233522 is an apocalyptic number.

131350233522 is an abundant number, since it is smaller than the sum of its proper divisors (134515300398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131350233522 is a wasteful number, since it uses less digits than its factorization.

131350233522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263755577.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 131350233522 its reverse (225332053131), we get a palindrome (356682286653).

The spelling of 131350233522 in words is "one hundred thirty-one billion, three hundred fifty million, two hundred thirty-three thousand, five hundred twenty-two".