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231342127 = 5918772089
BaseRepresentation
bin11011100101000…
…00000000101111
3121010022101201221
431302200000233
5433210422002
634542244211
75506242562
oct1562400057
9533271657
10231342127
1110964a845
1265586667
1338c0c143
1422a204d9
151549ac37
hexdca002f

231342127 has 8 divisors (see below), whose sum is σ = 235501200. Its totient is φ = 227191104.

The previous prime is 231342109. The next prime is 231342143. The reversal of 231342127 is 721243132.

It is a happy number.

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 231342127 - 215 = 231309359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231342227) 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, 109699 + ... + 111787.

It is an arithmetic number, because the mean of its divisors is an integer number (29437650).

Almost surely, 2231342127 is an apocalyptic number.

231342127 is a deficient number, since it is larger than the sum of its proper divisors (4159073).

231342127 is a wasteful number, since it uses less digits than its factorization.

231342127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

The product of its digits is 2016, while the sum is 25.

The square root of 231342127 is about 15209.9351412161. The cubic root of 231342127 is about 613.8820123282.

Adding to 231342127 its reverse (721243132), we get a palindrome (952585259).

The spelling of 231342127 in words is "two hundred thirty-one million, three hundred forty-two thousand, one hundred twenty-seven".

Divisors: 1 59 1877 2089 110743 123251 3921053 231342127