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320031100230 = 235331187317207
BaseRepresentation
bin1001010100000110101…
…01110000110101000110
31010121001111222100111020
410222003111300311012
520220410430201410
6403004213052010
732056445316432
oct4520325606506
91117044870436
10320031100230
111137a7238396
1252035927006
1324242aa523a
14116bd6019c2
1584d101ea70
hex4a83570d46

320031100230 has 64 divisors (see below), whose sum is σ = 770851219968. Its totient is φ = 85033428480.

The previous prime is 320031100189. The next prime is 320031100241. The reversal of 320031100230 is 32001130023.

It is a super-2 number, since 2×3200311002302 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18590287 + ... + 18607493.

It is an arithmetic number, because the mean of its divisors is an integer number (12044550312).

Almost surely, 2320031100230 is an apocalyptic number.

320031100230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320031100230 is an abundant number, since it is smaller than the sum of its proper divisors (450820119738).

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

320031100230 is a wasteful number, since it uses less digits than its factorization.

320031100230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19421.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 320031100230 its reverse (32001130023), we get a palindrome (352032230253).

The spelling of 320031100230 in words is "three hundred twenty billion, thirty-one million, one hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 331 662 993 1655 1873 1986 3310 3746 4965 5619 9365 9930 11238 17207 18730 28095 34414 51621 56190 86035 103242 172070 258105 516210 619963 1239926 1859889 3099815 3719778 5695517 6199630 9299445 11391034 17086551 18598890 28477585 32228711 34173102 56955170 64457422 85432755 96686133 161143555 170865510 193372266 322287110 483430665 966861330 10667703341 21335406682 32003110023 53338516705 64006220046 106677033410 160015550115 320031100230