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231214325 = 5219486767
BaseRepresentation
bin11011100100000…
…00110011110101
3121010001220102112
431302000303311
5433142324300
634535420405
75505201146
oct1562006365
9533056375
10231214325
11109572821
1265524705
1338b95c14
14229c9acd
1515472e35
hexdc80cf5

231214325 has 12 divisors (see below), whose sum is σ = 301796160. Its totient is φ = 175235760.

The previous prime is 231214307. The next prime is 231214343. The reversal of 231214325 is 523412132.

231214325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231214307) and next prime (231214343).

It is not a de Polignac number, because 231214325 - 26 = 231214261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231214325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242909 + ... + 243858.

It is an arithmetic number, because the mean of its divisors is an integer number (25149680).

Almost surely, 2231214325 is an apocalyptic number.

231214325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231214325 is a deficient number, since it is larger than the sum of its proper divisors (70581835).

231214325 is a wasteful number, since it uses less digits than its factorization.

231214325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486796 (or 486791 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 231214325 is about 15205.7332937284. The cubic root of 231214325 is about 613.7689477491.

Adding to 231214325 its reverse (523412132), we get a palindrome (754626457).

The spelling of 231214325 in words is "two hundred thirty-one million, two hundred fourteen thousand, three hundred twenty-five".

Divisors: 1 5 19 25 95 475 486767 2433835 9248573 12169175 46242865 231214325