42312101321 has 8 divisors (see below), whose sum is σ = 48391713984. Its totient is φ = 36241245360.

The previous prime is 42312101309. The next prime is 42312101323. The reversal of 42312101321 is 12310121324.

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 42312101321 - 2⁶ = 42312101257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42312101293 and 42312101302.

It is not an unprimeable number, because it can be changed into a prime (42312101323) 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, 2178815 + ... + 2198148.

It is an arithmetic number, because the mean of its divisors is an integer number (6048964248).

Almost surely, 2^42312101321 is an apocalyptic number.

It is an amenable number.

42312101321 is a deficient number, since it is larger than the sum of its proper divisors (6079612663).

42312101321 is a wasteful number, since it uses less digits than its factorization.

42312101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378351.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 42312101321 its reverse (12310121324), we get a palindrome (54622222645).

The spelling of 42312101321 in words is "forty-two billion, three hundred twelve million, one hundred one thousand, three hundred twenty-one".