131044250740397 has 2 divisors, whose sum is σ = 131044250740398. Its totient is φ = 131044250740396.

The previous prime is 131044250740393. The next prime is 131044250740421. The reversal of 131044250740397 is 793047052440131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106814416031236 + 24229834709161 = 10335106^2 + 4922381^2 .

It is an emirp because it is prime and its reverse (793047052440131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131044250740397 - 2² = 131044250740393 is a prime.

It is a super-2 number, since 2×131044250740397² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131044250740391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65522125370198 + 65522125370199.

It is an arithmetic number, because the mean of its divisors is an integer number (65522125370199).

Almost surely, 2^{131044250740397} is an apocalyptic number.

It is an amenable number.

131044250740397 is a deficient number, since it is larger than the sum of its proper divisors (1).

131044250740397 is an equidigital number, since it uses as much as digits as its factorization.

131044250740397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 131044250740397 in words is "one hundred thirty-one trillion, forty-four billion, two hundred fifty million, seven hundred forty thousand, three hundred ninety-seven".