1311450152633 has 2 divisors, whose sum is σ = 1311450152634. Its totient is φ = 1311450152632.

The previous prime is 1311450152629. The next prime is 1311450152657. The reversal of 1311450152633 is 3362510541131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 843480601744 + 467969550889 = 918412^2 + 684083^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311450152633 - 2² = 1311450152629 is a prime.

It is a super-2 number, since 2×1311450152633² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311450152593 and 1311450152602.

It is not a weakly prime, because it can be changed into another prime (1311450154633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655725076316 + 655725076317.

It is an arithmetic number, because the mean of its divisors is an integer number (655725076317).

Almost surely, 2^{1311450152633} is an apocalyptic number.

It is an amenable number.

1311450152633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311450152633 is an equidigital number, since it uses as much as digits as its factorization.

1311450152633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 1311450152633 its reverse (3362510541131), we get a palindrome (4673960693764).

The spelling of 1311450152633 in words is "one trillion, three hundred eleven billion, four hundred fifty million, one hundred fifty-two thousand, six hundred thirty-three".