131434297 has 2 divisors, whose sum is σ = 131434298. Its totient is φ = 131434296.

The previous prime is 131434279. The next prime is 131434301. The reversal of 131434297 is 792434131.

Together with previous prime (131434279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66406201 + 65028096 = 8149^2 + 8064^2 .

It is an emirp because it is prime and its reverse (792434131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131434297 is a prime.

It is not a weakly prime, because it can be changed into another prime (131434217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65717148 + 65717149.

It is an arithmetic number, because the mean of its divisors is an integer number (65717149).

Almost surely, 2^131434297 is an apocalyptic number.

It is an amenable number.

131434297 is a deficient number, since it is larger than the sum of its proper divisors (1).

131434297 is an equidigital number, since it uses as much as digits as its factorization.

131434297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 131434297 is about 11464.4797963100. The cubic root of 131434297 is about 508.4359323021.

The spelling of 131434297 in words is "one hundred thirty-one million, four hundred thirty-four thousand, two hundred ninety-seven".