428114131 has 2 divisors, whose sum is σ = 428114132. Its totient is φ = 428114130.

The previous prime is 428114039. The next prime is 428114191. The reversal of 428114131 is 131411824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428114131 - 2⁷ = 428114003 is a prime.

It is a super-2 number, since 2×428114131² = 366563418323770322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 428114096 and 428114105.

It is not a weakly prime, because it can be changed into another prime (428114191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214057065 + 214057066.

It is an arithmetic number, because the mean of its divisors is an integer number (214057066).

Almost surely, 2^428114131 is an apocalyptic number.

428114131 is a deficient number, since it is larger than the sum of its proper divisors (1).

428114131 is an equidigital number, since it uses as much as digits as its factorization.

428114131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

The square root of 428114131 is about 20690.9190467703. The cubic root of 428114131 is about 753.6791847679.

Adding to 428114131 its reverse (131411824), we get a palindrome (559525955).

The spelling of 428114131 in words is "four hundred twenty-eight million, one hundred fourteen thousand, one hundred thirty-one".