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231335342 = 27592291223
BaseRepresentation
bin11011100100111…
…10010110101110
3121010022001102122
431302132112232
5433210212332
634542152542
75506214030
oct1562362656
9533261378
10231335342
11109645737
1265582752
1338c09024
1422a1bc50
1515498c12
hexdc9e5ae

231335342 has 32 divisors (see below), whose sum is σ = 405388800. Its totient is φ = 96958368.

The previous prime is 231335339. The next prime is 231335353. The reversal of 231335342 is 243533132.

It is a happy number.

231335342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188543 + ... + 189765.

It is an arithmetic number, because the mean of its divisors is an integer number (12668400).

Almost surely, 2231335342 is an apocalyptic number.

231335342 is a deficient number, since it is larger than the sum of its proper divisors (174053458).

231335342 is a wasteful number, since it uses less digits than its factorization.

231335342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520.

The product of its digits is 6480, while the sum is 26.

The square root of 231335342 is about 15209.7120945796. The cubic root of 231335342 is about 613.8760107837.

Adding to 231335342 its reverse (243533132), we get a palindrome (474868474).

The spelling of 231335342 in words is "two hundred thirty-one million, three hundred thirty-five thousand, three hundred forty-two".

Divisors: 1 2 7 14 59 118 229 413 458 826 1223 1603 2446 3206 8561 13511 17122 27022 72157 94577 144314 189154 280067 505099 560134 1010198 1960469 3920938 16523953 33047906 115667671 231335342