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231314432142 = 2338552405357
BaseRepresentation
bin1101011101101101101…
…0100010000010001110
3211010001200220122210110
43113123122202002032
512242212443312032
6254133035020450
722466121142353
oct3273332420216
9733050818713
10231314432142
118a110a6a592
12389b689a726
1318a74b03271
14b2a4d2662a
15603c68e7cc
hex35db6a208e

231314432142 has 8 divisors (see below), whose sum is σ = 462628864296. Its totient is φ = 77104810712.

The previous prime is 231314432033. The next prime is 231314432159. The reversal of 231314432142 is 241234413132.

231314432142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

231314432142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19276202673 + ... + 19276202684.

It is an arithmetic number, because the mean of its divisors is an integer number (57828608037).

Almost surely, 2231314432142 is an apocalyptic number.

231314432142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231314432142 is a wasteful number, since it uses less digits than its factorization.

231314432142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38552405362.

The product of its digits is 13824, while the sum is 30.

Adding to 231314432142 its reverse (241234413132), we get a palindrome (472548845274).

The spelling of 231314432142 in words is "two hundred thirty-one billion, three hundred fourteen million, four hundred thirty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 38552405357 77104810714 115657216071 231314432142