131332023133 has 2 divisors, whose sum is σ = 131332023134. Its totient is φ = 131332023132.

The previous prime is 131332023089. The next prime is 131332023281. The reversal of 131332023133 is 331320233131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128606869924 + 2725153209 = 358618^2 + 52203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131332023133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131332023098 and 131332023107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131332024133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666011566 + 65666011567.

It is an arithmetic number, because the mean of its divisors is an integer number (65666011567).

Almost surely, 2^131332023133 is an apocalyptic number.

It is an amenable number.

131332023133 is a deficient number, since it is larger than the sum of its proper divisors (1).

131332023133 is an equidigital number, since it uses as much as digits as its factorization.

131332023133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 131332023133 its reverse (331320233131), we get a palindrome (462652256264).

The spelling of 131332023133 in words is "one hundred thirty-one billion, three hundred thirty-two million, twenty-three thousand, one hundred thirty-three".