1313001227 has 2 divisors, whose sum is σ = 1313001228. Its totient is φ = 1313001226.

The previous prime is 1313001223. The next prime is 1313001241. The reversal of 1313001227 is 7221003131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313001227 - 2² = 1313001223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313001199 and 1313001208.

It is not a weakly prime, because it can be changed into another prime (1313001223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656500613 + 656500614.

It is an arithmetic number, because the mean of its divisors is an integer number (656500614).

Almost surely, 2^1313001227 is an apocalyptic number.

1313001227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313001227 is an equidigital number, since it uses as much as digits as its factorization.

1313001227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1313001227 is about 36235.3587949671. The cubic root of 1313001227 is about 1095.0191407731.

Adding to 1313001227 its reverse (7221003131), we get a palindrome (8534004358).

The spelling of 1313001227 in words is "one billion, three hundred thirteen million, one thousand, two hundred twenty-seven".