1313130113081 has 2 divisors, whose sum is σ = 1313130113082. Its totient is φ = 1313130113080.

The previous prime is 1313130113077. The next prime is 1313130113111. The reversal of 1313130113081 is 1803110313131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1226647066681 + 86483046400 = 1107541^2 + 294080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313130113081 - 2² = 1313130113077 is a prime.

It is a super-2 number, since 2×1313130113081² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313130113081.

It is not a weakly prime, because it can be changed into another prime (1313130113021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656565056540 + 656565056541.

It is an arithmetic number, because the mean of its divisors is an integer number (656565056541).

Almost surely, 2^{1313130113081} is an apocalyptic number.

It is an amenable number.

1313130113081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313130113081 is an equidigital number, since it uses as much as digits as its factorization.

1313130113081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 1313130113081 in words is "one trillion, three hundred thirteen billion, one hundred thirty million, one hundred thirteen thousand, eighty-one".