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31214 = 215607
BaseRepresentation
bin111100111101110
31120211002
413213232
51444324
6400302
7160001
oct74756
946732
1031214
11214a7
1216092
1311291
14b538
1593ae
hex79ee

31214 has 4 divisors (see below), whose sum is σ = 46824. Its totient is φ = 15606.

The previous prime is 31193. The next prime is 31219. The reversal of 31214 is 41213.

31214 = 1012 + 1022 + 1032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 31195 and 31204.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 31214.

It is not an unprimeable number, because it can be changed into a prime (31219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7802 + ... + 7805.

It is an arithmetic number, because the mean of its divisors is an integer number (11706).

231214 is an apocalyptic number.

31214 is a deficient number, since it is larger than the sum of its proper divisors (15610).

31214 is a wasteful number, since it uses less digits than its factorization.

31214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15609.

The product of its digits is 24, while the sum is 11.

The square root of 31214 is about 176.6748425781. The cubic root of 31214 is about 31.4859263577.

Adding to 31214 its reverse (41213), we get a palindrome (72427).

Subtracting 31214 from its reverse (41213), we obtain a palindrome (9999).

It can be divided in two parts, 3121 and 4, that added together give a 5-th power (3125 = 55).

The spelling of 31214 in words is "thirty-one thousand, two hundred fourteen".

Divisors: 1 2 15607 31214