6431321130002 has 8 divisors (see below), whose sum is σ = 9979636236300. Its totient is φ = 3104775717904.

The previous prime is 6431321129983. The next prime is 6431321130011. The reversal of 6431321130002 is 2000311231346.

It can be written as a sum of positive squares in 2 ways, for example, as 5757787412521 + 673533717481 = 2399539^2 + 820691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55442423477 + ... + 55442423592.

Almost surely, 2^{6431321130002} is an apocalyptic number.

6431321130002 is a deficient number, since it is larger than the sum of its proper divisors (3548315106298).

6431321130002 is a wasteful number, since it uses less digits than its factorization.

6431321130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110884847100.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 6431321130002 its reverse (2000311231346), we get a palindrome (8431632361348).

The spelling of 6431321130002 in words is "six trillion, four hundred thirty-one billion, three hundred twenty-one million, one hundred thirty thousand, two".