6311310321 has 16 divisors (see below), whose sum is σ = 8508709440. Its totient is φ = 4160827200.

The previous prime is 6311310301. The next prime is 6311310323. The reversal of 6311310321 is 1230131136.

It is a de Polignac number, because none of the positive numbers 2^k-6311310321 is a prime.

It is a super-2 number, since 2×6311310321² = 79665275935922246082, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6311310323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246250 + ... + 270668.

It is an arithmetic number, because the mean of its divisors is an integer number (531794340).

Almost surely, 2^6311310321 is an apocalyptic number.

It is an amenable number.

6311310321 is a deficient number, since it is larger than the sum of its proper divisors (2197399119).

6311310321 is a wasteful number, since it uses less digits than its factorization.

6311310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25376.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 6311310321 is about 79443.7557080479. The cubic root of 6311310321 is about 1848.0193383009.

Adding to 6311310321 its reverse (1230131136), we get a palindrome (7541441457).

The spelling of 6311310321 in words is "six billion, three hundred eleven million, three hundred ten thousand, three hundred twenty-one".