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2231030112 = 25328018297
BaseRepresentation
bin1000010011111010…
…1101000101100000
312202111002001221220
42010332231011200
514032120430422
61005214415040
7106200304653
oct20476550540
95674061856
102231030112
11a453a3a43
12523201480
132972a747c
1417243789a
15d0ceae5c
hex84fad160

2231030112 has 48 divisors (see below), whose sum is σ = 5859250992. Its totient is φ = 743321600.

The previous prime is 2231030111. The next prime is 2231030147. The reversal of 2231030112 is 2110301322.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×22310301123 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231030091 and 2231030100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231030111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264748 + ... + 273044.

It is an arithmetic number, because the mean of its divisors is an integer number (122067729).

Almost surely, 22231030112 is an apocalyptic number.

It is an amenable number.

2231030112 is an abundant number, since it is smaller than the sum of its proper divisors (3628220880).

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

2231030112 is a wasteful number, since it uses less digits than its factorization.

2231030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111 (or 11103 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2231030112 is about 47233.7814704688. The cubic root of 2231030112 is about 1306.6776936919.

Adding to 2231030112 its reverse (2110301322), we get a palindrome (4341331434).

The spelling of 2231030112 in words is "two billion, two hundred thirty-one million, thirty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 2801 5602 8297 8403 11204 16594 16806 22408 24891 33188 33612 44816 49782 66376 67224 89632 99564 132752 134448 199128 265504 268896 398256 796512 23239897 46479794 69719691 92959588 139439382 185919176 278878764 371838352 557757528 743676704 1115515056 2231030112