6311320463 has 4 divisors (see below), whose sum is σ = 7212937680. Its totient is φ = 5409703248.

The previous prime is 6311320403. The next prime is 6311320481. The reversal of 6311320463 is 3640231136.

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 6311320463 - 2²⁴ = 6294543247 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 (6311320403) 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, 450808598 + ... + 450808611.

It is an arithmetic number, because the mean of its divisors is an integer number (1803234420).

Almost surely, 2^6311320463 is an apocalyptic number.

6311320463 is a deficient number, since it is larger than the sum of its proper divisors (901617217).

6311320463 is an equidigital number, since it uses as much as digits as its factorization.

6311320463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901617216.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 6311320463 is about 79443.8195393449. The cubic root of 6311320463 is about 1848.0203281959.

Adding to 6311320463 its reverse (3640231136), we get a palindrome (9951551599).

The spelling of 6311320463 in words is "six billion, three hundred eleven million, three hundred twenty thousand, four hundred sixty-three".