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231342103 = 1713608359
BaseRepresentation
bin11011100101000…
…00000000010111
3121010022101201001
431302200000113
5433210421403
634542244131
75506242526
oct1562400027
9533271631
10231342103
1110964a823
1265586647
1338c0c125
1422a204bd
151549ac1d
hexdca0017

231342103 has 4 divisors (see below), whose sum is σ = 244950480. Its totient is φ = 217733728.

The previous prime is 231342101. The next prime is 231342109. The reversal of 231342103 is 301243132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231342103 - 21 = 231342101 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 (231342101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6804163 + ... + 6804196.

It is an arithmetic number, because the mean of its divisors is an integer number (61237620).

Almost surely, 2231342103 is an apocalyptic number.

231342103 is a deficient number, since it is larger than the sum of its proper divisors (13608377).

231342103 is a wasteful number, since it uses less digits than its factorization.

231342103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608376.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 231342103 is about 15209.9343522581. The cubic root of 231342103 is about 613.8819910996.

Adding to 231342103 its reverse (301243132), we get a palindrome (532585235).

The spelling of 231342103 in words is "two hundred thirty-one million, three hundred forty-two thousand, one hundred three".

Divisors: 1 17 13608359 231342103