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531235305013422 = 231271267155020061
BaseRepresentation
bin111100011001001111101101…
…1101001011100000010101110
32120122221121011210121000120210
41320302133123221130002232
51024112224401040412142
65121502044030323250
7216616325042043342
oct17062373351340256
92518847153530523
10531235305013422
111442a469a44a059
124b6b8b64959526
1319a56374876309
149527cd6b57622
1541639b1ae249c
hex1e327dba5c0ae

531235305013422 has 32 divisors (see below), whose sum is σ = 1070921050619904. Its totient is φ = 175670248370400.

The previous prime is 531235305013421. The next prime is 531235305013423. The reversal of 531235305013422 is 224310503532135.

It is an interprime number because it is at equal distance from previous prime (531235305013421) and next prime (531235305013423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531235305013421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17854729 + ... + 37165332.

It is an arithmetic number, because the mean of its divisors is an integer number (33466282831872).

Almost surely, 2531235305013422 is an apocalyptic number.

531235305013422 is an abundant number, since it is smaller than the sum of its proper divisors (539685745606482).

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

531235305013422 is a wasteful number, since it uses less digits than its factorization.

531235305013422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55032864.

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 531235305013422 its reverse (224310503532135), we get a palindrome (755545808545557).

The spelling of 531235305013422 in words is "five hundred thirty-one trillion, two hundred thirty-five billion, three hundred five million, thirteen thousand, four hundred twenty-two".

Divisors: 1 2 3 6 127 254 381 762 12671 25342 38013 76026 1609217 3218434 4827651 9655302 55020061 110040122 165060183 330120366 6987547747 13975095494 20962643241 41925286482 697159192931 1394318385862 2091477578793 4182955157586 88539217502237 177078435004474 265617652506711 531235305013422