490319311 has 4 divisors (see below), whose sum is σ = 490954392. Its totient is φ = 489684232.

The previous prime is 490319309. The next prime is 490319371. The reversal of 490319311 is 113913094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490319311 - 2¹ = 490319309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490319371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316381 + ... + 317926.

It is an arithmetic number, because the mean of its divisors is an integer number (122738598).

Almost surely, 2^490319311 is an apocalyptic number.

490319311 is a deficient number, since it is larger than the sum of its proper divisors (635081).

490319311 is an equidigital number, since it uses as much as digits as its factorization.

490319311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635080.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 490319311 is about 22143.1549468453. The cubic root of 490319311 is about 788.5447283336.

The spelling of 490319311 in words is "four hundred ninety million, three hundred nineteen thousand, three hundred eleven".