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203431242223 = 1131359085461
BaseRepresentation
bin1011110101110101110…
…0100110100111101111
3201110002110202211221201
42331131130212213233
511313111344222343
6233242141310331
720461134012436
oct2753534464757
9643073684851
10203431242223
11793026a6280
12335148653a7
1316250163511
149bbbaa211d
1554597ed94d
hex2f5d7269ef

203431242223 has 8 divisors (see below), whose sum is σ = 222634020816. Its totient is φ = 184346635200.

The previous prime is 203431242211. The next prime is 203431242293. The reversal of 203431242223 is 322242134302.

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 203431242223 - 217 = 203431111151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203431242191 and 203431242200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203431242293) 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, 29539288 + ... + 29546173.

It is an arithmetic number, because the mean of its divisors is an integer number (27829252602).

Almost surely, 2203431242223 is an apocalyptic number.

203431242223 is a deficient number, since it is larger than the sum of its proper divisors (19202778593).

203431242223 is a wasteful number, since it uses less digits than its factorization.

203431242223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59085785.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203431242223 its reverse (322242134302), we get a palindrome (525673376525).

The spelling of 203431242223 in words is "two hundred three billion, four hundred thirty-one million, two hundred forty-two thousand, two hundred twenty-three".

Divisors: 1 11 313 3443 59085461 649940071 18493749293 203431242223