131402231202337 has 2 divisors, whose sum is σ = 131402231202338. Its totient is φ = 131402231202336.

The previous prime is 131402231202331. The next prime is 131402231202373. The reversal of 131402231202337 is 733202132204131.

Together with next prime (131402231202373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83845539471841 + 47556691730496 = 9156721^2 + 6896136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131402231202337 is a prime.

It is not a weakly prime, because it can be changed into another prime (131402231202331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65701115601168 + 65701115601169.

It is an arithmetic number, because the mean of its divisors is an integer number (65701115601169).

Almost surely, 2^{131402231202337} is an apocalyptic number.

It is an amenable number.

131402231202337 is a deficient number, since it is larger than the sum of its proper divisors (1).

131402231202337 is an equidigital number, since it uses as much as digits as its factorization.

131402231202337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

Adding to 131402231202337 its reverse (733202132204131), we get a palindrome (864604363406468).

The spelling of 131402231202337 in words is "one hundred thirty-one trillion, four hundred two billion, two hundred thirty-one million, two hundred two thousand, three hundred thirty-seven".