131323033133 has 2 divisors, whose sum is σ = 131323033134. Its totient is φ = 131323033132.

The previous prime is 131323033123. The next prime is 131323033159. The reversal of 131323033133 is 331330323131.

It is a happy number.

It is an a-pointer prime, because the next prime (131323033159) can be obtained adding 131323033133 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., 130236539689 + 1086493444 = 360883^2 + 32962^2 .

It is an emirp because it is prime and its reverse (331330323131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131323033133 - 2¹⁰ = 131323032109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131323033103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65661516566 + 65661516567.

It is an arithmetic number, because the mean of its divisors is an integer number (65661516567).

Almost surely, 2^131323033133 is an apocalyptic number.

It is an amenable number.

131323033133 is a deficient number, since it is larger than the sum of its proper divisors (1).

131323033133 is an equidigital number, since it uses as much as digits as its factorization.

131323033133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 131323033133 its reverse (331330323131), we get a palindrome (462653356264).

The spelling of 131323033133 in words is "one hundred thirty-one billion, three hundred twenty-three million, thirty-three thousand, one hundred thirty-three".