1313113201 has 4 divisors (see below), whose sum is σ = 1390355172. Its totient is φ = 1235871232.

The previous prime is 1313113177. The next prime is 1313113253. The reversal of 1313113201 is 1023113131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1023113131 = 109 ⋅9386359.

It can be written as a sum of positive squares in 2 ways, for example, as 460531600 + 852581601 = 21460^2 + 29199^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313113201 - 2⁵ = 1313113169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313113271) 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, 38620960 + ... + 38620993.

It is an arithmetic number, because the mean of its divisors is an integer number (347588793).

Almost surely, 2^1313113201 is an apocalyptic number.

It is an amenable number.

1313113201 is a deficient number, since it is larger than the sum of its proper divisors (77241971).

1313113201 is an equidigital number, since it uses as much as digits as its factorization.

1313113201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77241970.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1313113201 is about 36236.9038550481. The cubic root of 1313113201 is about 1095.0502679814.

Adding to 1313113201 its reverse (1023113131), we get a palindrome (2336226332).

The spelling of 1313113201 in words is "one billion, three hundred thirteen million, one hundred thirteen thousand, two hundred one".