1303203120101 has 8 divisors (see below), whose sum is σ = 1307279240280. Its totient is φ = 1299128237568.

The previous prime is 1303203120041. The next prime is 1303203120103. The reversal of 1303203120101 is 1010213023031.

It can be written as a sum of positive squares in 4 ways, for example, as 36225508900 + 1266977611201 = 190330^2 + 1125601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303203120101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1303203120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303203120103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822745 + ... + 2434913.

It is an arithmetic number, because the mean of its divisors is an integer number (163409905035).

Almost surely, 2^{1303203120101} is an apocalyptic number.

It is an amenable number.

1303203120101 is a deficient number, since it is larger than the sum of its proper divisors (4076120179).

1303203120101 is an equidigital number, since it uses as much as digits as its factorization.

1303203120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618823.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1303203120101 its reverse (1010213023031), we get a palindrome (2313416143132).

The spelling of 1303203120101 in words is "one trillion, three hundred three billion, two hundred three million, one hundred twenty thousand, one hundred one".