1313023201 has 4 divisors (see below), whose sum is σ = 1500597952. Its totient is φ = 1125448452.

The previous prime is 1313023199. The next prime is 1313023223. The reversal of 1313023201 is 1023203131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313023201 - 2¹ = 1313023199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313023301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93787365 + ... + 93787378.

It is an arithmetic number, because the mean of its divisors is an integer number (375149488).

Almost surely, 2^1313023201 is an apocalyptic number.

It is an amenable number.

1313023201 is a deficient number, since it is larger than the sum of its proper divisors (187574751).

1313023201 is an equidigital number, since it uses as much as digits as its factorization.

1313023201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187574750.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1313023201 is about 36235.6620058196. The cubic root of 1313023201 is about 1095.0252493778.

Adding to 1313023201 its reverse (1023203131), we get a palindrome (2336226332).

The spelling of 1313023201 in words is "one billion, three hundred thirteen million, twenty-three thousand, two hundred one".