131454317 has 2 divisors, whose sum is σ = 131454318. Its totient is φ = 131454316.

The previous prime is 131454259. The next prime is 131454343. The reversal of 131454317 is 713454131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127667401 + 3786916 = 11299^2 + 1946^2 .

It is a cyclic number.

It is not a de Polignac number, because 131454317 - 2²² = 127260013 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131454317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131457317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65727158 + 65727159.

It is an arithmetic number, because the mean of its divisors is an integer number (65727159).

Almost surely, 2^131454317 is an apocalyptic number.

It is an amenable number.

131454317 is a deficient number, since it is larger than the sum of its proper divisors (1).

131454317 is an equidigital number, since it uses as much as digits as its factorization.

131454317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 131454317 is about 11465.3528946998. The cubic root of 131454317 is about 508.4617458856.

The spelling of 131454317 in words is "one hundred thirty-one million, four hundred fifty-four thousand, three hundred seventeen".