131332312303393 has 2 divisors, whose sum is σ = 131332312303394. Its totient is φ = 131332312303392.

The previous prime is 131332312303319. The next prime is 131332312303399. The reversal of 131332312303393 is 393303213233131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130470148056609 + 862164246784 = 11422353^2 + 928528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131332312303393 is a prime.

It is a super-2 number, since 2×131332312303393² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131332312303399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666156151696 + 65666156151697.

It is an arithmetic number, because the mean of its divisors is an integer number (65666156151697).

Almost surely, 2^{131332312303393} is an apocalyptic number.

It is an amenable number.

131332312303393 is a deficient number, since it is larger than the sum of its proper divisors (1).

131332312303393 is an equidigital number, since it uses as much as digits as its factorization.

131332312303393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 40.

The spelling of 131332312303393 in words is "one hundred thirty-one trillion, three hundred thirty-two billion, three hundred twelve million, three hundred three thousand, three hundred ninety-three".