131011120232 has 8 divisors (see below), whose sum is σ = 245645850450. Its totient is φ = 65505560112.

The previous prime is 131011120193. The next prime is 131011120259. The reversal of 131011120232 is 232021110131.

It can be written as a sum of positive squares in only one way, i.e., 110520342916 + 20490777316 = 332446^2 + 143146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 131011120232.

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 as a sum of consecutive naturals, namely, 8188195007 + ... + 8188195022.

Almost surely, 2^131011120232 is an apocalyptic number.

It is an amenable number.

131011120232 is a deficient number, since it is larger than the sum of its proper divisors (114634730218).

131011120232 is a wasteful number, since it uses less digits than its factorization.

131011120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16376390035 (or 16376390031 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131011120232 its reverse (232021110131), we get a palindrome (363032230363).

The spelling of 131011120232 in words is "one hundred thirty-one billion, eleven million, one hundred twenty thousand, two hundred thirty-two".