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231214013 = 298396059
BaseRepresentation
bin11011100100000…
…00101110111101
3121010001212222222
431302000232331
5433142322023
634535415125
75505200222
oct1562005675
9533055888
10231214013
11109572568
12655244a5
1338b95a34
14229c9949
1515472cc8
hexdc80bbd

231214013 has 8 divisors (see below), whose sum is σ = 242071200. Its totient is φ = 220549168.

The previous prime is 231214007. The next prime is 231214019. The reversal of 231214013 is 310412132.

It is an interprime number because it is at equal distance from previous prime (231214007) and next prime (231214019).

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

It is a cyclic number.

It is not a de Polignac number, because 231214013 - 28 = 231213757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231213982 and 231214000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231214019) 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, 45623 + ... + 50436.

It is an arithmetic number, because the mean of its divisors is an integer number (30258900).

Almost surely, 2231214013 is an apocalyptic number.

It is an amenable number.

231214013 is a deficient number, since it is larger than the sum of its proper divisors (10857187).

231214013 is an equidigital number, since it uses as much as digits as its factorization.

231214013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96171.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231214013 is about 15205.7230344367. The cubic root of 231214013 is about 613.7686716763.

Adding to 231214013 its reverse (310412132), we get a palindrome (541626145).

The spelling of 231214013 in words is "two hundred thirty-one million, two hundred fourteen thousand, thirteen".

Divisors: 1 29 83 2407 96059 2785711 7972897 231214013