1313244671 has 4 divisors (see below), whose sum is σ = 1358529000. Its totient is φ = 1267960344.

The previous prime is 1313244649. The next prime is 1313244677. The reversal of 1313244671 is 1764423131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1764423131 = 89 ⋅19824979.

It is a cyclic number.

It is not a de Polignac number, because 1313244671 - 2⁶ = 1313244607 is a prime.

It is a super-2 number, since 2×1313244671² = 3449223131819796482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313244677) 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, 22642121 + ... + 22642178.

It is an arithmetic number, because the mean of its divisors is an integer number (339632250).

Almost surely, 2^1313244671 is an apocalyptic number.

1313244671 is a deficient number, since it is larger than the sum of its proper divisors (45284329).

1313244671 is an equidigital number, since it uses as much as digits as its factorization.

1313244671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45284328.

The product of its digits is 12096, while the sum is 32.

The square root of 1313244671 is about 36238.7178443167. The cubic root of 1313244671 is about 1095.0868125469.

The spelling of 1313244671 in words is "one billion, three hundred thirteen million, two hundred forty-four thousand, six hundred seventy-one".