231514 has 4 divisors (see below), whose sum is σ = 347274. Its totient is φ = 115756.
The previous prime is 231503. The next prime is 231529. The reversal of 231514 is 415132.
231514 is nontrivially palindromic in base 6.
231514 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 198025 + 33489 = 445^2 + 183^2 .
It is an unprimeable number.
231514 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57877 + ... + 57880.
2231514 is an apocalyptic number.
231514 is a deficient number, since it is larger than the sum of its proper divisors (115760).
231514 is a wasteful number, since it uses less digits than its factorization.
231514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115759.
The product of its digits is 120, while the sum is 16.
The square root of 231514 is about 481.1590173737. The cubic root of 231514 is about 61.4034000246.
Adding to 231514 its reverse (415132), we get a palindrome (646646).
The spelling of 231514 in words is "two hundred thirty-one thousand, five hundred fourteen".
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