1303220230033 has 4 divisors (see below), whose sum is σ = 1303421568228. Its totient is φ = 1303018891840.

The previous prime is 1303220230007. The next prime is 1303220230043. The reversal of 1303220230033 is 3300320223031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 370695887104 + 932524342929 = 608848^2 + 965673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303220230033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303220229986 and 1303220230013.

It is not an unprimeable number, because it can be changed into a prime (1303220230043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100659388 + ... + 100672333.

It is an arithmetic number, because the mean of its divisors is an integer number (325855392057).

Almost surely, 2^{1303220230033} is an apocalyptic number.

It is an amenable number.

1303220230033 is a deficient number, since it is larger than the sum of its proper divisors (201338195).

1303220230033 is an equidigital number, since it uses as much as digits as its factorization.

1303220230033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201338194.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 1303220230033 its reverse (3300320223031), we get a palindrome (4603540453064).

The spelling of 1303220230033 in words is "one trillion, three hundred three billion, two hundred twenty million, two hundred thirty thousand, thirty-three".