31234 has 16 divisors (see below), whose sum is σ = 56448.
Its totient is φ = 12672.
The previous prime is 31231. The next prime is 31237. The reversal of 31234 is 43213.
It is an interprime number because it is at equal distance from previous prime (31231) and next prime (31237).
It is a nialpdrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274 + ... + 370.
It is an arithmetic number, because the mean of its divisors is an integer number (3528).
231234 is an apocalyptic number.
31234 is a deficient number, since it is larger than the sum of its proper divisors (25214).
31234 is a wasteful number, since it uses less digits than its factorization.
31234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129.
The product of its digits is 72, while the sum is 13.
The square root of 31234 is about 176.7314346685.
The cubic root of 31234 is about 31.4926496665.
Adding to 31234 its reverse (43213), we get a palindrome (74447).
The spelling of 31234 in words is "thirty-one thousand, two hundred thirty-four".