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231402314 = 21113899091
BaseRepresentation
bin11011100101011…
…10101101001010
3121010102110022002
431302232231022
5433214333224
634543431002
75506613213
oct1562565512
9533373262
10231402314
11109690a90
12655b5462
1338c30660
1422a3840a
15154ad9ae
hexdcaeb4a

231402314 has 32 divisors (see below), whose sum is σ = 412413120. Its totient is φ = 95990400.

The previous prime is 231402299. The next prime is 231402337. The reversal of 231402314 is 413204132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20909 + ... + 29999.

It is an arithmetic number, because the mean of its divisors is an integer number (12887910).

Almost surely, 2231402314 is an apocalyptic number.

231402314 is a deficient number, since it is larger than the sum of its proper divisors (181010806).

231402314 is a wasteful number, since it uses less digits than its factorization.

231402314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9206.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 231402314 is about 15211.9135548425. The cubic root of 231402314 is about 613.9352444732.

Adding to 231402314 its reverse (413204132), we get a palindrome (644606446).

The spelling of 231402314 in words is "two hundred thirty-one million, four hundred two thousand, three hundred fourteen".

Divisors: 1 2 11 13 22 26 89 143 178 286 979 1157 1958 2314 9091 12727 18182 25454 100001 118183 200002 236366 809099 1300013 1618198 2600026 8900089 10518287 17800178 21036574 115701157 231402314