1313201201 has 4 divisors (see below), whose sum is σ = 1414216692. Its totient is φ = 1212185712.

The previous prime is 1313201189. The next prime is 1313201213. The reversal of 1313201201 is 1021023131.

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

It is an interprime number because it is at equal distance from previous prime (1313201189) and next prime (1313201213).

It can be written as a sum of positive squares in 2 ways, for example, as 795183601 + 518017600 = 28199^2 + 22760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313201201 - 2³⁰ = 239459377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313201501) 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, 50507726 + ... + 50507751.

It is an arithmetic number, because the mean of its divisors is an integer number (353554173).

Almost surely, 2^1313201201 is an apocalyptic number.

It is an amenable number.

1313201201 is a deficient number, since it is larger than the sum of its proper divisors (101015491).

1313201201 is a wasteful number, since it uses less digits than its factorization.

1313201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101015490.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1313201201 is about 36238.1180664780. The cubic root of 1313201201 is about 1095.0747295106.

Adding to 1313201201 its reverse (1021023131), we get a palindrome (2334224332).

The spelling of 1313201201 in words is "one billion, three hundred thirteen million, two hundred one thousand, two hundred one".