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14312331 = 3211144569
BaseRepresentation
bin110110100110…
…001110001011
3222221010211100
4312212032023
512130443311
61230432443
7232436625
oct66461613
928833740
1014312331
118096080
124962723
132c71647
141c87c15
1513caa56
hexda638b

14312331 has 12 divisors (see below), whose sum is σ = 22552920. Its totient is φ = 8674080.

The previous prime is 14312281. The next prime is 14312381. The reversal of 14312331 is 13321341.

14312331 is a `hidden beast` number, since 1 + 431 + 233 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (14312281) and next prime (14312381).

It is not a de Polignac number, because 14312331 - 214 = 14295947 is a prime.

It is a super-2 number, since 2×143123312 = 409685637307122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14312381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72186 + ... + 72383.

It is an arithmetic number, because the mean of its divisors is an integer number (1879410).

Almost surely, 214312331 is an apocalyptic number.

14312331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14312331 is a deficient number, since it is larger than the sum of its proper divisors (8240589).

14312331 is a wasteful number, since it uses less digits than its factorization.

14312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144586 (or 144583 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 14312331 is about 3783.1641518708. The cubic root of 14312331 is about 242.7933517246.

Adding to 14312331 its reverse (13321341), we get a palindrome (27633672).

The spelling of 14312331 in words is "fourteen million, three hundred twelve thousand, three hundred thirty-one".

Divisors: 1 3 9 11 33 99 144569 433707 1301121 1590259 4770777 14312331