1302311302133 has 4 divisors (see below), whose sum is σ = 1326883213548. Its totient is φ = 1277739390720.

The previous prime is 1302311302129. The next prime is 1302311302151. The reversal of 1302311302133 is 3312031132031.

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 1024352482609 + 277958819524 = 1012103^2 + 527218^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302311302133 - 2² = 1302311302129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302311302099 and 1302311302108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302311305133) 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, 12285955628 + ... + 12285955733.

It is an arithmetic number, because the mean of its divisors is an integer number (331720803387).

Almost surely, 2^{1302311302133} is an apocalyptic number.

It is an amenable number.

1302311302133 is a deficient number, since it is larger than the sum of its proper divisors (24571911415).

1302311302133 is an equidigital number, since it uses as much as digits as its factorization.

1302311302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24571911414.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1302311302133 its reverse (3312031132031), we get a palindrome (4614342434164).

The spelling of 1302311302133 in words is "one trillion, three hundred two billion, three hundred eleven million, three hundred two thousand, one hundred thirty-three".