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43230032131 = 11131959479563
BaseRepresentation
bin101000010000101101…
…011111000100000011
311010120202221011121011
4220100231133010003
51202013342012011
631505401341351
73060165132046
oct502055370403
9133522834534
1043230032131
1117374253a90
128465797857
1340cc307890
142141572c5d
1511d0368621
hexa10b5f103

43230032131 has 64 divisors (see below), whose sum is σ = 54577152000. Its totient is φ = 33654718080.

The previous prime is 43230032129. The next prime is 43230032141. The reversal of 43230032131 is 13123003234.

It is a cyclic number.

It is not a de Polignac number, because 43230032131 - 21 = 43230032129 is a prime.

It is a super-2 number, since 2×432300321312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43230032141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76784856 + ... + 76785418.

It is an arithmetic number, because the mean of its divisors is an integer number (852768000).

Almost surely, 243230032131 is an apocalyptic number.

43230032131 is a deficient number, since it is larger than the sum of its proper divisors (11347119869).

43230032131 is a wasteful number, since it uses less digits than its factorization.

43230032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 43230032131 its reverse (13123003234), we get a palindrome (56353035365).

The spelling of 43230032131 in words is "forty-three billion, two hundred thirty million, thirty-two thousand, one hundred thirty-one".

Divisors: 1 11 13 19 59 143 209 247 479 563 649 767 1121 2717 5269 6193 6227 7319 8437 9101 10697 12331 14573 28261 33217 68497 80509 100111 117667 118313 139061 160303 269677 310871 365387 367393 431821 536959 631123 1301443 1529671 2966447 3505801 4041323 4750031 5123863 5906549 6942353 6980467 8204599 15910943 38563811 56362493 66610219 76785137 90250589 175020373 206842259 302307917 732712409 2275264849 3325387087 3930002921 43230032131