131222321333 has 2 divisors, whose sum is σ = 131222321334. Its totient is φ = 131222321332.

The previous prime is 131222321327. The next prime is 131222321359. The reversal of 131222321333 is 333123222131.

It is an a-pointer prime, because the next prime (131222321359) can be obtained adding 131222321333 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129767814289 + 1454507044 = 360233^2 + 38138^2 .

It is a cyclic number.

It is not a de Polignac number, because 131222321333 - 2¹⁶ = 131222255797 is a prime.

It is a super-2 number, since 2×131222321333² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131222321323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65611160666 + 65611160667.

It is an arithmetic number, because the mean of its divisors is an integer number (65611160667).

Almost surely, 2^131222321333 is an apocalyptic number.

It is an amenable number.

131222321333 is a deficient number, since it is larger than the sum of its proper divisors (1).

131222321333 is an equidigital number, since it uses as much as digits as its factorization.

131222321333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 26.

Adding to 131222321333 its reverse (333123222131), we get a palindrome (464345543464).

The spelling of 131222321333 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred twenty-one thousand, three hundred thirty-three".