1312051033 has 2 divisors, whose sum is σ = 1312051034. Its totient is φ = 1312051032.

The previous prime is 1312051021. The next prime is 1312051073. The reversal of 1312051033 is 3301502131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 674337024 + 637714009 = 25968^2 + 25253^2 .

It is an emirp because it is prime and its reverse (3301502131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312051033 is a prime.

It is a super-3 number, since 3×1312051033³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1312051033.

It is not a weakly prime, because it can be changed into another prime (1312051073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656025516 + 656025517.

It is an arithmetic number, because the mean of its divisors is an integer number (656025517).

Almost surely, 2^1312051033 is an apocalyptic number.

It is an amenable number.

1312051033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312051033 is an equidigital number, since it uses as much as digits as its factorization.

1312051033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1312051033 is about 36222.2450022082. The cubic root of 1312051033 is about 1094.7549288569.

Adding to 1312051033 its reverse (3301502131), we get a palindrome (4613553164).

The spelling of 1312051033 in words is "one billion, three hundred twelve million, fifty-one thousand, thirty-three".