6311321001 has 12 divisors (see below), whose sum is σ = 9328361328. Its totient is φ = 4109697144.

The previous prime is 6311320891. The next prime is 6311321021. The reversal of 6311321001 is 1001231136.

6311321001 is a `hidden beast` number, since 631 + 1 + 32 + 1 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 6311321001 - 2¹¹ = 6311318953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6311321021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8153775 + ... + 8154548.

It is an arithmetic number, because the mean of its divisors is an integer number (777363444).

Almost surely, 2^6311321001 is an apocalyptic number.

It is an amenable number.

6311321001 is a deficient number, since it is larger than the sum of its proper divisors (3017040327).

6311321001 is a wasteful number, since it uses less digits than its factorization.

6311321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16308372 (or 16308369 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 6311321001 is about 79443.8229253855. The cubic root of 6311321001 is about 1848.0203807065.

Adding to 6311321001 its reverse (1001231136), we get a palindrome (7312552137).

The spelling of 6311321001 in words is "six billion, three hundred eleven million, three hundred twenty-one thousand, one".