100421340631 has 8 divisors (see below), whose sum is σ = 103486640544. Its totient is φ = 97385374080.

The previous prime is 100421340587. The next prime is 100421340637. The reversal of 100421340631 is 136043124001.

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 100421340631 - 2¹⁹ = 100420816343 is a prime.

It is a super-2 number, since 2×100421340631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100421340596 and 100421340605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100421340637) 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 7 ways as a sum of consecutive naturals, for example, 7326390 + ... + 7340083.

It is an arithmetic number, because the mean of its divisors is an integer number (12935830068).

Almost surely, 2^100421340631 is an apocalyptic number.

100421340631 is a deficient number, since it is larger than the sum of its proper divisors (3065299913).

100421340631 is a wasteful number, since it uses less digits than its factorization.

100421340631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14666681.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 100421340631 its reverse (136043124001), we get a palindrome (236464464632).

The spelling of 100421340631 in words is "one hundred billion, four hundred twenty-one million, three hundred forty thousand, six hundred thirty-one".