131223010132 has 24 divisors (see below), whose sum is σ = 243676014120. Its totient is φ = 61618037760.

The previous prime is 131223010111. The next prime is 131223010147. The reversal of 131223010132 is 231010322131.

It can be written as a sum of positive squares in 4 ways, for example, as 1965503556 + 129257506576 = 44334^2 + 359524^2 .

It is a congruent number.

It is an unprimeable number.

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, 2061657 + ... + 2124352.

It is an arithmetic number, because the mean of its divisors is an integer number (10153167255).

Almost surely, 2^131223010132 is an apocalyptic number.

It is an amenable number.

131223010132 is a deficient number, since it is larger than the sum of its proper divisors (112453003988).

131223010132 is a wasteful number, since it uses less digits than its factorization.

131223010132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4186491 (or 4186489 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131223010132 its reverse (231010322131), we get a palindrome (362233332263).

The spelling of 131223010132 in words is "one hundred thirty-one billion, two hundred twenty-three million, ten thousand, one hundred thirty-two".