1310440510481 has 2 divisors, whose sum is σ = 1310440510482. Its totient is φ = 1310440510480.

The previous prime is 1310440510469. The next prime is 1310440510499. The reversal of 1310440510481 is 1840150440131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1280575140625 + 29865369856 = 1131625^2 + 172816^2 .

It is an emirp because it is prime and its reverse (1840150440131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1310440510481 - 2⁶ = 1310440510417 is a prime.

It is a super-2 number, since 2×1310440510481² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1310440510681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655220255240 + 655220255241.

It is an arithmetic number, because the mean of its divisors is an integer number (655220255241).

Almost surely, 2^{1310440510481} is an apocalyptic number.

It is an amenable number.

1310440510481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310440510481 is an equidigital number, since it uses as much as digits as its factorization.

1310440510481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 1310440510481 in words is "one trillion, three hundred ten billion, four hundred forty million, five hundred ten thousand, four hundred eighty-one".