1040312530373 has 2 divisors, whose sum is σ = 1040312530374. Its totient is φ = 1040312530372.

The previous prime is 1040312530343. The next prime is 1040312530417. The reversal of 1040312530373 is 3730352130401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1032333217444 + 7979312929 = 1016038^2 + 89327^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040312530373 - 2¹⁰ = 1040312529349 is a prime.

It is a super-3 number, since 3×1040312530373³ (a number of 37 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040312530343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520156265186 + 520156265187.

It is an arithmetic number, because the mean of its divisors is an integer number (520156265187).

Almost surely, 2^{1040312530373} is an apocalyptic number.

It is an amenable number.

1040312530373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040312530373 is an equidigital number, since it uses as much as digits as its factorization.

1040312530373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 1040312530373 its reverse (3730352130401), we get a palindrome (4770664660774).

The spelling of 1040312530373 in words is "one trillion, forty billion, three hundred twelve million, five hundred thirty thousand, three hundred seventy-three".