131022123301 has 2 divisors, whose sum is σ = 131022123302. Its totient is φ = 131022123300.

The previous prime is 131022123299. The next prime is 131022123347. The reversal of 131022123301 is 103321220131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130443768900 + 578354401 = 361170^2 + 24049^2 .

It is an emirp because it is prime and its reverse (103321220131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131022123301 - 2¹ = 131022123299 is a prime.

Together with 131022123299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131022120301) 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, 65511061650 + 65511061651.

It is an arithmetic number, because the mean of its divisors is an integer number (65511061651).

Almost surely, 2^131022123301 is an apocalyptic number.

It is an amenable number.

131022123301 is a deficient number, since it is larger than the sum of its proper divisors (1).

131022123301 is an equidigital number, since it uses as much as digits as its factorization.

131022123301 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 131022123301 its reverse (103321220131), we get a palindrome (234343343432).

The spelling of 131022123301 in words is "one hundred thirty-one billion, twenty-two million, one hundred twenty-three thousand, three hundred one".