131033321212232 has 16 divisors (see below), whose sum is σ = 245690435438700. Its totient is φ = 65515871761920.

The previous prime is 131033321212153. The next prime is 131033321212259. The reversal of 131033321212232 is 232212123330131.

It can be written as a sum of positive squares in 2 ways, for example, as 100885029575716 + 30148291636516 = 10044154^2 + 5490746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131033321212195 and 131033321212204.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 97899269 + ... + 99228692.

Almost surely, 2^{131033321212232} is an apocalyptic number.

It is an amenable number.

131033321212232 is a deficient number, since it is larger than the sum of its proper divisors (114657114226468).

131033321212232 is a wasteful number, since it uses less digits than its factorization.

131033321212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197211056 (or 197211052 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 131033321212232 its reverse (232212123330131), we get a palindrome (363245444542363).

The spelling of 131033321212232 in words is "one hundred thirty-one trillion, thirty-three billion, three hundred twenty-one million, two hundred twelve thousand, two hundred thirty-two".