1310551502993 has 2 divisors, whose sum is σ = 1310551502994. Its totient is φ = 1310551502992.

The previous prime is 1310551502963. The next prime is 1310551503061. The reversal of 1310551502993 is 3992051550131.

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., 1309395026944 + 1156476049 = 1144288^2 + 34007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310551502993 - 2¹⁶ = 1310551437457 is a prime.

It is a super-2 number, since 2×1310551502993² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1310551502903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655275751496 + 655275751497.

It is an arithmetic number, because the mean of its divisors is an integer number (655275751497).

Almost surely, 2^{1310551502993} is an apocalyptic number.

It is an amenable number.

1310551502993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310551502993 is an equidigital number, since it uses as much as digits as its factorization.

1310551502993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 182250, while the sum is 44.

The spelling of 1310551502993 in words is "one trillion, three hundred ten billion, five hundred fifty-one million, five hundred two thousand, nine hundred ninety-three".