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101312322330 = 23531227479903
BaseRepresentation
bin101111001011010101…
…1110101101100011010
3100200111122000020001110
41132112223311230122
53124441423303310
6114313042401150
710214420350062
oct1362653655432
9320448006043
10101312322330
1139a6a18a30a
12177753601b6
13972767032b
144c9146c3a2
15297e560d20
hex1796af5b1a

101312322330 has 64 divisors (see below), whose sum is σ = 252099330048. Its totient is φ = 26029884480.

The previous prime is 101312322313. The next prime is 101312322379. The reversal of 101312322330 is 33223213101.

It is a junction number, because it is equal to n+sod(n) for n = 101312322297 and 101312322306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28842 + ... + 451061.

It is an arithmetic number, because the mean of its divisors is an integer number (3939052032).

Almost surely, 2101312322330 is an apocalyptic number.

101312322330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101312322330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126049665024).

101312322330 is an abundant number, since it is smaller than the sum of its proper divisors (150787007718).

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

101312322330 is a wasteful number, since it uses less digits than its factorization.

101312322330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480171.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 101312322330 its reverse (33223213101), we get a palindrome (134535535431).

The spelling of 101312322330 in words is "one hundred one billion, three hundred twelve million, three hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 227 310 454 465 681 930 1135 1362 2270 3405 6810 7037 14074 21111 35185 42222 70370 105555 211110 479903 959806 1439709 2399515 2879418 4799030 7198545 14397090 14876993 29753986 44630979 74384965 89261958 108937981 148769930 217875962 223154895 326813943 446309790 544689905 653627886 1089379810 1634069715 3268139430 3377077411 6754154822 10131232233 16885387055 20262464466 33770774110 50656161165 101312322330