131022100232 has 8 divisors (see below), whose sum is σ = 245666437950. Its totient is φ = 65511050112.

The previous prime is 131022100213. The next prime is 131022100271. The reversal of 131022100232 is 232001220131.

It can be written as a sum of positive squares in only one way, i.e., 98454123076 + 32567977156 = 313774^2 + 180466^2 .

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 131022100232.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8188881257 + ... + 8188881272.

Almost surely, 2^131022100232 is an apocalyptic number.

It is an amenable number.

131022100232 is a deficient number, since it is larger than the sum of its proper divisors (114644337718).

131022100232 is a wasteful number, since it uses less digits than its factorization.

131022100232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16377762535 (or 16377762531 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 131022100232 its reverse (232001220131), we get a palindrome (363023320363).

The spelling of 131022100232 in words is "one hundred thirty-one billion, twenty-two million, one hundred thousand, two hundred thirty-two".