1020302103321 has 12 divisors (see below), whose sum is σ = 1524589350180. Its totient is φ = 656746181280.

The previous prime is 1020302103307. The next prime is 1020302103371. The reversal of 1020302103321 is 1233012030201.

1020302103321 is a `hidden beast` number, since 1 + 0 + 20 + 302 + 10 + 332 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 287162015625 + 733140087696 = 535875^2 + 856236^2 .

It is not a de Polignac number, because 1020302103321 - 2⁶ = 1020302103257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020302103294 and 1020302103303.

It is not an unprimeable number, because it can be changed into a prime (1020302103371) 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 11 ways as a sum of consecutive naturals, for example, 1954601470 + ... + 1954601991.

It is an arithmetic number, because the mean of its divisors is an integer number (127049112515).

Almost surely, 2^{1020302103321} is an apocalyptic number.

It is an amenable number.

1020302103321 is a deficient number, since it is larger than the sum of its proper divisors (504287246859).

1020302103321 is a wasteful number, since it uses less digits than its factorization.

1020302103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909203496 (or 3909203493 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1020302103321 its reverse (1233012030201), we get a palindrome (2253314133522).

The spelling of 1020302103321 in words is "one trillion, twenty billion, three hundred two million, one hundred three thousand, three hundred twenty-one".