1801303302101 has 6 divisors (see below), whose sum is σ = 1865559068802. Its totient is φ = 1739189394320.

The previous prime is 1801303302089. The next prime is 1801303302133. The reversal of 1801303302101 is 1012033031081.

It can be written as a sum of positive squares in 3 ways, for example, as 377161798225 + 1424141503876 = 614135^2 + 1193374^2 .

It is not a de Polignac number, because 1801303302101 - 2³⁰ = 1800229560277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801303302181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1070928590 + ... + 1070930271.

It is an arithmetic number, because the mean of its divisors is an integer number (310926511467).

Almost surely, 2^{1801303302101} is an apocalyptic number.

It is an amenable number.

1801303302101 is a deficient number, since it is larger than the sum of its proper divisors (64255766701).

1801303302101 is an equidigital number, since it uses as much as digits as its factorization.

1801303302101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141858919 (or 2141858890 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1801303302101 its reverse (1012033031081), we get a palindrome (2813336333182).

The spelling of 1801303302101 in words is "one trillion, eight hundred one billion, three hundred three million, three hundred two thousand, one hundred one".