131202133311331 has 2 divisors, whose sum is σ = 131202133311332. Its totient is φ = 131202133311330.

The previous prime is 131202133311289. The next prime is 131202133311367. The reversal of 131202133311331 is 133113331202131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131202133311331 - 2³³ = 131193543376739 is a prime.

It is a super-2 number, since 2×131202133311331² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131202133311331.

It is not a weakly prime, because it can be changed into another prime (131202133311731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65601066655665 + 65601066655666.

It is an arithmetic number, because the mean of its divisors is an integer number (65601066655666).

Almost surely, 2^{131202133311331} is an apocalyptic number.

131202133311331 is a deficient number, since it is larger than the sum of its proper divisors (1).

131202133311331 is an equidigital number, since it uses as much as digits as its factorization.

131202133311331 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 28.

Adding to 131202133311331 its reverse (133113331202131), we get a palindrome (264315464513462).

The spelling of 131202133311331 in words is "one hundred thirty-one trillion, two hundred two billion, one hundred thirty-three million, three hundred eleven thousand, three hundred thirty-one".