1331210138033 has 2 divisors, whose sum is σ = 1331210138034. Its totient is φ = 1331210138032.

The previous prime is 1331210138021. The next prime is 1331210138099. The reversal of 1331210138033 is 3308310121331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1224050151424 + 107159986609 = 1106368^2 + 327353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331210138033 - 2¹⁴ = 1331210121649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331210137987 and 1331210138005.

It is not a weakly prime, because it can be changed into another prime (1331210138003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665605069016 + 665605069017.

It is an arithmetic number, because the mean of its divisors is an integer number (665605069017).

Almost surely, 2^{1331210138033} is an apocalyptic number.

It is an amenable number.

1331210138033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331210138033 is an equidigital number, since it uses as much as digits as its factorization.

1331210138033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 1331210138033 its reverse (3308310121331), we get a palindrome (4639520259364).

The spelling of 1331210138033 in words is "one trillion, three hundred thirty-one billion, two hundred ten million, one hundred thirty-eight thousand, thirty-three".