6421163130031 has 8 divisors (see below), whose sum is σ = 7075915006160. Its totient is φ = 5789385004032.

The previous prime is 6421163130023. The next prime is 6421163130079. The reversal of 6421163130031 is 1300313611246.

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

It is a cyclic number.

It is not a de Polignac number, because 6421163130031 - 2³ = 6421163130023 is a prime.

It is a super-2 number, since 2×6421163130031² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6421163129975 and 6421163130002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6421163130001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5743436946 + ... + 5743438063.

It is an arithmetic number, because the mean of its divisors is an integer number (884489375770).

Almost surely, 2^{6421163130031} is an apocalyptic number.

6421163130031 is a deficient number, since it is larger than the sum of its proper divisors (654751876129).

6421163130031 is a wasteful number, since it uses less digits than its factorization.

6421163130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486875065.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 6421163130031 its reverse (1300313611246), we get a palindrome (7721476741277).

The spelling of 6421163130031 in words is "six trillion, four hundred twenty-one billion, one hundred sixty-three million, one hundred thirty thousand, thirty-one".