1030321312321 has 32 divisors (see below), whose sum is σ = 1199620251648. Its totient is φ = 866702358720.

The previous prime is 1030321312297. The next prime is 1030321312343. The reversal of 1030321312321 is 1232131230301.

It is a cyclic number.

It is not a de Polignac number, because 1030321312321 - 2¹¹ = 1030321310273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1030321312292 and 1030321312301.

It is not an unprimeable number, because it can be changed into a prime (1030321312381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103368280 + ... + 103378246.

It is an arithmetic number, because the mean of its divisors is an integer number (37488132864).

Almost surely, 2^{1030321312321} is an apocalyptic number.

It is an amenable number.

1030321312321 is a deficient number, since it is larger than the sum of its proper divisors (169298939327).

1030321312321 is an equidigital number, since it uses as much as digits as its factorization.

1030321312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1030321312321 its reverse (1232131230301), we get a palindrome (2262452542622).

The spelling of 1030321312321 in words is "one trillion, thirty billion, three hundred twenty-one million, three hundred twelve thousand, three hundred twenty-one".