1000030321321 has 4 divisors (see below), whose sum is σ = 1000145183632. Its totient is φ = 999915459012.

The previous prime is 1000030321309. The next prime is 1000030321417. The reversal of 1000030321321 is 1231230300001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000030321321 - 2⁷ = 1000030321193 is a prime.

It is a super-2 number, since 2×1000030321321² (a number of 25 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 = 1000030321295 and 1000030321304.

It is not an unprimeable number, because it can be changed into a prime (1000030321021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57418095 + ... + 57435508.

It is an arithmetic number, because the mean of its divisors is an integer number (250036295908).

Almost surely, 2^{1000030321321} is an apocalyptic number.

It is an amenable number.

1000030321321 is a deficient number, since it is larger than the sum of its proper divisors (114862311).

1000030321321 is an equidigital number, since it uses as much as digits as its factorization.

1000030321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114862310.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1000030321321 its reverse (1231230300001), we get a palindrome (2231260621322).

The spelling of 1000030321321 in words is "one trillion, thirty million, three hundred twenty-one thousand, three hundred twenty-one".