131383297 has 2 divisors, whose sum is σ = 131383298. Its totient is φ = 131383296.

The previous prime is 131383289. The next prime is 131383303. The reversal of 131383297 is 792383131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112338801 + 19044496 = 10599^2 + 4364^2 .

It is a cyclic number.

It is not a de Polignac number, because 131383297 - 2³ = 131383289 is a prime.

It is not a weakly prime, because it can be changed into another prime (131383247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65691648 + 65691649.

It is an arithmetic number, because the mean of its divisors is an integer number (65691649).

It is a Proth number, since it is equal to 8019 ⋅ 2¹⁴ + 1 and 8019 < 2¹⁴.

Almost surely, 2^131383297 is an apocalyptic number.

It is an amenable number.

131383297 is a deficient number, since it is larger than the sum of its proper divisors (1).

131383297 is an equidigital number, since it uses as much as digits as its factorization.

131383297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 131383297 is about 11462.2553190897. The cubic root of 131383297 is about 508.3701615767.

The spelling of 131383297 in words is "one hundred thirty-one million, three hundred eighty-three thousand, two hundred ninety-seven".