Search a number
-
+
31112200130 = 2511282838183
BaseRepresentation
bin11100111110011011…
…100111111111000010
32222022021002112010112
4130332123213333002
51002204210401010
622143122231322
72150663223554
oct347633477702
988267075115
1031112200130
11122160314a0
1260434b5542
132c1a927b9b
1417120414d4
15c215bea05
hex73e6e7fc2

31112200130 has 16 divisors (see below), whose sum is σ = 61093047744. Its totient is φ = 11313527280.

The previous prime is 31112200127. The next prime is 31112200139. The reversal of 31112200130 is 3100221113.

It is not an unprimeable number, because it can be changed into a prime (31112200139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141418982 + ... + 141419201.

It is an arithmetic number, because the mean of its divisors is an integer number (3818315484).

Almost surely, 231112200130 is an apocalyptic number.

31112200130 is a deficient number, since it is larger than the sum of its proper divisors (29980847614).

31112200130 is a wasteful number, since it uses less digits than its factorization.

31112200130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282838201.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31112200130 its reverse (3100221113), we get a palindrome (34212421243).

The spelling of 31112200130 in words is "thirty-one billion, one hundred twelve million, two hundred thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 282838183 565676366 1414190915 2828381830 3111220013 6222440026 15556100065 31112200130