1313302009997 has 2 divisors, whose sum is σ = 1313302009998. Its totient is φ = 1313302009996.

The previous prime is 1313302009991. The next prime is 1313302010047. The reversal of 1313302009997 is 7999002033131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1187284819876 + 126017190121 = 1089626^2 + 354989^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313302009997 - 2²² = 1313297815693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313302009991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656651004998 + 656651004999.

It is an arithmetic number, because the mean of its divisors is an integer number (656651004999).

Almost surely, 2^{1313302009997} is an apocalyptic number.

It is an amenable number.

1313302009997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313302009997 is an equidigital number, since it uses as much as digits as its factorization.

1313302009997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 275562, while the sum is 47.

The spelling of 1313302009997 in words is "one trillion, three hundred thirteen billion, three hundred two million, nine thousand, nine hundred ninety-seven".