1313144240201 has 4 divisors (see below), whose sum is σ = 1358425076100. Its totient is φ = 1267863404304.

The previous prime is 1313144240173. The next prime is 1313144240209. The reversal of 1313144240201 is 1020424413131.

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 757075750201 + 556068490000 = 870101^2 + 745700^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313144240201 - 2⁶ = 1313144240137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313144240209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22640417906 + ... + 22640417963.

It is an arithmetic number, because the mean of its divisors is an integer number (339606269025).

Almost surely, 2^{1313144240201} is an apocalyptic number.

It is an amenable number.

1313144240201 is a deficient number, since it is larger than the sum of its proper divisors (45280835899).

1313144240201 is an equidigital number, since it uses as much as digits as its factorization.

1313144240201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45280835898.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1313144240201 its reverse (1020424413131), we get a palindrome (2333568653332).

The spelling of 1313144240201 in words is "one trillion, three hundred thirteen billion, one hundred forty-four million, two hundred forty thousand, two hundred one".