1303331320001 has 2 divisors, whose sum is σ = 1303331320002. Its totient is φ = 1303331320000.

The previous prime is 1303331319991. The next prime is 1303331320033. The reversal of 1303331320001 is 1000231333031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1169339449600 + 133991870401 = 1081360^2 + 366049^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303331320001 - 2⁶ = 1303331319937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303331320051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651665660000 + 651665660001.

It is an arithmetic number, because the mean of its divisors is an integer number (651665660001).

Almost surely, 2^{1303331320001} is an apocalyptic number.

It is an amenable number.

1303331320001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303331320001 is an equidigital number, since it uses as much as digits as its factorization.

1303331320001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1303331320001 its reverse (1000231333031), we get a palindrome (2303562653032).

The spelling of 1303331320001 in words is "one trillion, three hundred three billion, three hundred thirty-one million, three hundred twenty thousand, one".