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42331335231 = 31741101227883
BaseRepresentation
bin100111011011001001…
…001110101000111111
311001021010212122012210
4213123021032220333
51143143310211411
631240255231503
73026003261343
oct473311165077
9131233778183
1042331335231
1116a52a31779
128254818593
133cb8079373
142098075623
15117b4e7ca6
hex9db24ea3f

42331335231 has 64 divisors (see below), whose sum is σ = 62168311296. Its totient is φ = 25514496000.

The previous prime is 42331335187. The next prime is 42331335239. The reversal of 42331335231 is 13253313324.

It is not a de Polignac number, because 42331335231 - 214 = 42331318847 is a prime.

It is a super-2 number, since 2×423313352312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331335239) 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, 47939916 + ... + 47940798.

It is an arithmetic number, because the mean of its divisors is an integer number (971379864).

Almost surely, 242331335231 is an apocalyptic number.

42331335231 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42331335231 is a deficient number, since it is larger than the sum of its proper divisors (19836976065).

42331335231 is a wasteful number, since it uses less digits than its factorization.

42331335231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its digits is 19440, while the sum is 30.

Adding to 42331335231 its reverse (13253313324), we get a palindrome (55584648555).

The spelling of 42331335231 in words is "forty-two billion, three hundred thirty-one million, three hundred thirty-five thousand, two hundred thirty-one".

Divisors: 1 3 17 41 51 101 123 227 303 681 697 883 1717 2091 2649 3859 4141 5151 9307 11577 12423 15011 22927 27921 36203 45033 68781 70397 89183 108609 158219 200441 211191 267549 389759 474657 601323 615451 940007 1169277 1516111 1846353 2820021 3407497 3656503 4548333 8218081 10222491 10969509 15980119 20244541 24654243 47940357 60733623 62160551 139707377 186481653 344157197 419122131 830026181 1032471591 2490078543 14110445077 42331335231