1313332331033 has 2 divisors, whose sum is σ = 1313332331034. Its totient is φ = 1313332331032.

The previous prime is 1313332331029. The next prime is 1313332331057. The reversal of 1313332331033 is 3301332333131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678971056009 + 634361275024 = 823997^2 + 796468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313332331033 - 2² = 1313332331029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313332330987 and 1313332331005.

It is not a weakly prime, because it can be changed into another prime (1313332301033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656666165516 + 656666165517.

It is an arithmetic number, because the mean of its divisors is an integer number (656666165517).

Almost surely, 2^{1313332331033} is an apocalyptic number.

It is an amenable number.

1313332331033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313332331033 is an equidigital number, since it uses as much as digits as its factorization.

1313332331033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 29.

Adding to 1313332331033 its reverse (3301332333131), we get a palindrome (4614664664164).

The spelling of 1313332331033 in words is "one trillion, three hundred thirteen billion, three hundred thirty-two million, three hundred thirty-one thousand, thirty-three".