1313423201 has 2 divisors, whose sum is σ = 1313423202. Its totient is φ = 1313423200.

The previous prime is 1313423197. The next prime is 1313423207. The reversal of 1313423201 is 1023243131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1222201600 + 91221601 = 34960^2 + 9551^2 .

It is an emirp because it is prime and its reverse (1023243131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313423201 - 2² = 1313423197 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313423207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656711600 + 656711601.

It is an arithmetic number, because the mean of its divisors is an integer number (656711601).

Almost surely, 2^1313423201 is an apocalyptic number.

It is an amenable number.

1313423201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313423201 is an equidigital number, since it uses as much as digits as its factorization.

1313423201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1313423201 is about 36241.1810100057. The cubic root of 1313423201 is about 1095.1364344222.

Adding to 1313423201 its reverse (1023243131), we get a palindrome (2336666332).

The spelling of 1313423201 in words is "one billion, three hundred thirteen million, four hundred twenty-three thousand, two hundred one".