1020030300321 has 16 divisors (see below), whose sum is σ = 1372237710144. Its totient is φ = 673922962944.

The previous prime is 1020030300277. The next prime is 1020030300323. The reversal of 1020030300321 is 1230030300201.

It is not a de Polignac number, because 1020030300321 - 2⁷ = 1020030300193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020030300321.

It is not an unprimeable number, because it can be changed into a prime (1020030300323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2778885 + ... + 3124461.

It is an arithmetic number, because the mean of its divisors is an integer number (85764856884).

Almost surely, 2^{1020030300321} is an apocalyptic number.

It is an amenable number.

1020030300321 is a deficient number, since it is larger than the sum of its proper divisors (352207409823).

1020030300321 is a wasteful number, since it uses less digits than its factorization.

1020030300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354400.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1020030300321 its reverse (1230030300201), we get a palindrome (2250060600522).

The spelling of 1020030300321 in words is "one trillion, twenty billion, thirty million, three hundred thousand, three hundred twenty-one".