131303222101 has 2 divisors, whose sum is σ = 131303222102. Its totient is φ = 131303222100.

The previous prime is 131303222053. The next prime is 131303222111. The reversal of 131303222101 is 101222303131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71089423876 + 60213798225 = 266626^2 + 245385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131303222101 is a prime.

It is a super-2 number, since 2×131303222101² (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 (131303222111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65651611050 + 65651611051.

It is an arithmetic number, because the mean of its divisors is an integer number (65651611051).

Almost surely, 2^131303222101 is an apocalyptic number.

It is an amenable number.

131303222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

131303222101 is an equidigital number, since it uses as much as digits as its factorization.

131303222101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131303222101 its reverse (101222303131), we get a palindrome (232525525232).

The spelling of 131303222101 in words is "one hundred thirty-one billion, three hundred three million, two hundred twenty-two thousand, one hundred one".