1313565242201 has 4 divisors (see below), whose sum is σ = 1316439564852. Its totient is φ = 1310690919552.

The previous prime is 1313565242189. The next prime is 1313565242219. The reversal of 1313565242201 is 1022425653131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1231769242201 + 81796000000 = 1109851^2 + 286000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313565242201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313565242251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437160640 + ... + 1437161553.

It is an arithmetic number, because the mean of its divisors is an integer number (329109891213).

Almost surely, 2^{1313565242201} is an apocalyptic number.

It is an amenable number.

1313565242201 is a deficient number, since it is larger than the sum of its proper divisors (2874322651).

1313565242201 is an equidigital number, since it uses as much as digits as its factorization.

1313565242201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874322650.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1313565242201 in words is "one trillion, three hundred thirteen billion, five hundred sixty-five million, two hundred forty-two thousand, two hundred one".