485430331 has 2 divisors, whose sum is σ = 485430332. Its totient is φ = 485430330.

The previous prime is 485430329. The next prime is 485430353. The reversal of 485430331 is 133034584.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 485430331 - 2¹ = 485430329 is a prime.

It is a super-2 number, since 2×485430331² = 471285212509539122, which contains 22 as substring.

Together with 485430329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 485430293 and 485430302.

It is not a weakly prime, because it can be changed into another prime (485430931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242715165 + 242715166.

It is an arithmetic number, because the mean of its divisors is an integer number (242715166).

Almost surely, 2^485430331 is an apocalyptic number.

485430331 is a deficient number, since it is larger than the sum of its proper divisors (1).

485430331 is an equidigital number, since it uses as much as digits as its factorization.

485430331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 485430331 is about 22032.4835413532. The cubic root of 485430331 is about 785.9151057450.

The spelling of 485430331 in words is "four hundred eighty-five million, four hundred thirty thousand, three hundred thirty-one".