2127281317 has 8 divisors (see below), whose sum is σ = 2431709312. Its totient is φ = 1822986000.

The previous prime is 2127281309. The next prime is 2127281333. The reversal of 2127281317 is 7131827212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2127281317 - 2³ = 2127281309 is a prime.

It is a super-4 number, since 4×2127281317⁴ (a number of 38 digits) contains 4444 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 (2127281357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3967 + ... + 65347.

It is an arithmetic number, because the mean of its divisors is an integer number (303963664).

Almost surely, 2^2127281317 is an apocalyptic number.

It is an amenable number.

2127281317 is a deficient number, since it is larger than the sum of its proper divisors (304427995).

2127281317 is an equidigital number, since it uses as much as digits as its factorization.

2127281317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66339.

The product of its digits is 9408, while the sum is 34.

The square root of 2127281317 is about 46122.4600059450. The cubic root of 2127281317 is about 1286.1007020365.

The spelling of 2127281317 in words is "two billion, one hundred twenty-seven million, two hundred eighty-one thousand, three hundred seventeen".