131120312101 has 2 divisors, whose sum is σ = 131120312102. Its totient is φ = 131120312100.

The previous prime is 131120312033. The next prime is 131120312131. The reversal of 131120312101 is 101213021131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66159556225 + 64960755876 = 257215^2 + 254874^2 .

It is a cyclic number.

It is not a de Polignac number, because 131120312101 - 2²¹ = 131118214949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131120312131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65560156050 + 65560156051.

It is an arithmetic number, because the mean of its divisors is an integer number (65560156051).

Almost surely, 2^131120312101 is an apocalyptic number.

It is an amenable number.

131120312101 is a deficient number, since it is larger than the sum of its proper divisors (1).

131120312101 is an equidigital number, since it uses as much as digits as its factorization.

131120312101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131120312101 its reverse (101213021131), we get a palindrome (232333333232).

The spelling of 131120312101 in words is "one hundred thirty-one billion, one hundred twenty million, three hundred twelve thousand, one hundred one".