181414313 has 4 divisors (see below), whose sum is σ = 185274240. Its totient is φ = 177554388.

The previous prime is 181414297. The next prime is 181414349. The reversal of 181414313 is 313414181.

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: 313414181 = 17077 ⋅18353.

It is a cyclic number.

It is not a de Polignac number, because 181414313 - 2⁴ = 181414297 is a prime.

It is a super-2 number, since 2×181414313² = 65822305922523938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181411313) 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, 1929893 + ... + 1929986.

It is an arithmetic number, because the mean of its divisors is an integer number (46318560).

Almost surely, 2^181414313 is an apocalyptic number.

It is an amenable number.

181414313 is a deficient number, since it is larger than the sum of its proper divisors (3859927).

181414313 is an equidigital number, since it uses as much as digits as its factorization.

181414313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859926.

The product of its digits is 1152, while the sum is 26.

The square root of 181414313 is about 13469.0130670365. The cubic root of 181414313 is about 566.0965604589.

Adding to 181414313 its reverse (313414181), we get a palindrome (494828494).

The spelling of 181414313 in words is "one hundred eighty-one million, four hundred fourteen thousand, three hundred thirteen".