131222033034133 has 4 divisors (see below), whose sum is σ = 131223815119980. Its totient is φ = 131220250948288.

The previous prime is 131222033034121. The next prime is 131222033034221. The reversal of 131222033034133 is 331430330222131.

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 67035369125169 + 64186663908964 = 8187513^2 + 8011658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131222033034133 is a prime.

It is a super-2 number, since 2×131222033034133² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131222033034095 and 131222033034104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222033035133) 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, 890932468 + ... + 891079741.

It is an arithmetic number, because the mean of its divisors is an integer number (32805953779995).

Almost surely, 2^{131222033034133} is an apocalyptic number.

It is an amenable number.

131222033034133 is a deficient number, since it is larger than the sum of its proper divisors (1782085847).

131222033034133 is an equidigital number, since it uses as much as digits as its factorization.

131222033034133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782085846.

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

Adding to 131222033034133 its reverse (331430330222131), we get a palindrome (462652363256264).

The spelling of 131222033034133 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, thirty-three million, thirty-four thousand, one hundred thirty-three".