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231130414 = 2163708989
BaseRepresentation
bin11011100011011…
…00010100101110
3121002220122022201
431301230110232
5433132133124
634533532114
75504401414
oct1561542456
9532818281
10231130414
11109515779
12654a403a
1338b66978
14229a72b4
1515458144
hexdc6c52e

231130414 has 8 divisors (see below), whose sum is σ = 348823080. Its totient is φ = 114856056.

The previous prime is 231130397. The next prime is 231130423. The reversal of 231130414 is 414031132.

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

It is a super-2 number, since 2×2311304142 = 106842536551622792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231130391 and 231130400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354169 + ... + 354820.

It is an arithmetic number, because the mean of its divisors is an integer number (43602885).

Almost surely, 2231130414 is an apocalyptic number.

231130414 is a deficient number, since it is larger than the sum of its proper divisors (117692666).

231130414 is a wasteful number, since it uses less digits than its factorization.

231130414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709154.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 231130414 is about 15202.9738538222. The cubic root of 231130414 is about 613.6946902427.

Adding to 231130414 its reverse (414031132), we get a palindrome (645161546).

The spelling of 231130414 in words is "two hundred thirty-one million, one hundred thirty thousand, four hundred fourteen".

Divisors: 1 2 163 326 708989 1417978 115565207 231130414