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14311321 = 34741243
BaseRepresentation
bin110110100101…
…111110011001
3222221002102221
4312211332121
512130430241
61230424041
7232433653
oct66457631
928832387
1014311321
118095342
124962021
132c7104b
141c876d3
1513ca5d1
hexda5f99

14311321 has 4 divisors (see below), whose sum is σ = 14352912. Its totient is φ = 14269732.

The previous prime is 14311309. The next prime is 14311333. The reversal of 14311321 is 12311341.

Adding to 14311321 its reverse (12311341), we get a palindrome (26622662).

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.

It is an interprime number because it is at equal distance from previous prime (14311309) and next prime (14311333).

It is a cyclic number.

It is not a de Polignac number, because 14311321 - 217 = 14180249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14311295 and 14311304.

It is not an unprimeable number, because it can be changed into a prime (14311361) 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, 20275 + ... + 20968.

It is an arithmetic number, because the mean of its divisors is an integer number (3588228).

Almost surely, 214311321 is an apocalyptic number.

It is an amenable number.

14311321 is a deficient number, since it is larger than the sum of its proper divisors (41591).

14311321 is an equidigital number, since it uses as much as digits as its factorization.

14311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41590.

The product of its digits is 72, while the sum is 16.

The square root of 14311321 is about 3783.0306633703. The cubic root of 14311321 is about 242.7876404012.

The spelling of 14311321 in words is "fourteen million, three hundred eleven thousand, three hundred twenty-one".

Divisors: 1 347 41243 14311321