1313112271 has 2 divisors, whose sum is σ = 1313112272. Its totient is φ = 1313112270.

The previous prime is 1313112263. The next prime is 1313112299. The reversal of 1313112271 is 1722113131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313112271 - 2³ = 1313112263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313112221) 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 as a sum of consecutive naturals, namely, 656556135 + 656556136.

It is an arithmetic number, because the mean of its divisors is an integer number (656556136).

Almost surely, 2^1313112271 is an apocalyptic number.

1313112271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313112271 is an equidigital number, since it uses as much as digits as its factorization.

1313112271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 22.

The square root of 1313112271 is about 36236.8910228237. The cubic root of 1313112271 is about 1095.0500094617.

The spelling of 1313112271 in words is "one billion, three hundred thirteen million, one hundred twelve thousand, two hundred seventy-one".