131222202133333 has 4 divisors (see below), whose sum is σ = 131980711972428. Its totient is φ = 130463692294240.

The previous prime is 131222202133291. The next prime is 131222202133343. The reversal of 131222202133333 is 333331202222131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119106184762084 + 12116017371249 = 10913578^2 + 3480807^2 .

It is a cyclic number.

It is not a de Polignac number, because 131222202133333 - 2⁹ = 131222202132821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131222202133295 and 131222202133304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222202133343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379254919288 + ... + 379254919633.

It is an arithmetic number, because the mean of its divisors is an integer number (32995177993107).

Almost surely, 2^{131222202133333} is an apocalyptic number.

It is an amenable number.

131222202133333 is a deficient number, since it is larger than the sum of its proper divisors (758509839095).

131222202133333 is an equidigital number, since it uses as much as digits as its factorization.

131222202133333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758509839094.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 131222202133333 its reverse (333331202222131), we get a palindrome (464553404355464).

The spelling of 131222202133333 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, two hundred two million, one hundred thirty-three thousand, three hundred thirty-three".