1303132311121 has 4 divisors (see below), whose sum is σ = 1308725153892. Its totient is φ = 1297539468352.

The previous prime is 1303132311119. The next prime is 1303132311157. The reversal of 1303132311121 is 1211132313031.

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 842687280400 + 460445030721 = 917980^2 + 678561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303132311121 - 2¹ = 1303132311119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303132311092 and 1303132311101.

It is not an unprimeable number, because it can be changed into a prime (1303132311101) 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, 2796421036 + ... + 2796421501.

It is an arithmetic number, because the mean of its divisors is an integer number (327181288473).

Almost surely, 2^{1303132311121} is an apocalyptic number.

It is an amenable number.

1303132311121 is a deficient number, since it is larger than the sum of its proper divisors (5592842771).

1303132311121 is an equidigital number, since it uses as much as digits as its factorization.

1303132311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592842770.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1303132311121 its reverse (1211132313031), we get a palindrome (2514264624152).

The spelling of 1303132311121 in words is "one trillion, three hundred three billion, one hundred thirty-two million, three hundred eleven thousand, one hundred twenty-one".