117383281 has 4 divisors (see below), whose sum is σ = 117656064. Its totient is φ = 117110500.

The previous prime is 117383251. The next prime is 117383293. The reversal of 117383281 is 182383711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 182383711 = 73 ⋅2498407.

It is a cyclic number.

It is not a de Polignac number, because 117383281 - 2⁷ = 117383153 is a prime.

It is a super-2 number, since 2×117383281² = 27557669316649922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117383251) 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, 135745 + ... + 136606.

It is an arithmetic number, because the mean of its divisors is an integer number (29414016).

Almost surely, 2^117383281 is an apocalyptic number.

It is an amenable number.

117383281 is a deficient number, since it is larger than the sum of its proper divisors (272783).

117383281 is an equidigital number, since it uses as much as digits as its factorization.

117383281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272782.

The product of its digits is 8064, while the sum is 34.

The square root of 117383281 is about 10834.3565106563. The cubic root of 117383281 is about 489.6308214632.

The spelling of 117383281 in words is "one hundred seventeen million, three hundred eighty-three thousand, two hundred eighty-one".