130431277 has 2 divisors, whose sum is σ = 130431278. Its totient is φ = 130431276.

The previous prime is 130431271. The next prime is 130431289. The reversal of 130431277 is 772134031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100280196 + 30151081 = 10014^2 + 5491^2 .

It is an emirp because it is prime and its reverse (772134031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130431277 - 2⁷ = 130431149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130431271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65215638 + 65215639.

It is an arithmetic number, because the mean of its divisors is an integer number (65215639).

Almost surely, 2^130431277 is an apocalyptic number.

It is an amenable number.

130431277 is a deficient number, since it is larger than the sum of its proper divisors (1).

130431277 is an equidigital number, since it uses as much as digits as its factorization.

130431277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 130431277 is about 11420.6513386934. The cubic root of 130431277 is about 507.1392788820.

The spelling of 130431277 in words is "one hundred thirty million, four hundred thirty-one thousand, two hundred seventy-seven".