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31134 = 235189
BaseRepresentation
bin111100110011110
31120201010
413212132
51444014
6400050
7156525
oct74636
946633
1031134
1121434
1216026
131122c
14b4bc
159359
hex799e

31134 has 8 divisors (see below), whose sum is σ = 62280. Its totient is φ = 10376.

The previous prime is 31123. The next prime is 31139. The reversal of 31134 is 43113.

Adding to 31134 its reverse (43113), we get a palindrome (74247).

It is a sphenic number, since it is the product of 3 distinct primes.

31134 is an admirable number.

It is a plaindrome in base 13 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31139) 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, 2589 + ... + 2600.

It is an arithmetic number, because the mean of its divisors is an integer number (7785).

231134 is an apocalyptic number.

31134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31140).

31134 is a wasteful number, since it uses less digits than its factorization.

31134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194.

The product of its digits is 36, while the sum is 12.

The square root of 31134 is about 176.4482927092. The cubic root of 31134 is about 31.4590043666.

The spelling of 31134 in words is "thirty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 5189 10378 15567 31134