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11211312230 = 251121131223
BaseRepresentation
bin10100111000011111…
…10000110001100110
31001221100001200010022
422130033300301212
5140430043442410
65052253155142
7544553403326
oct123417606146
931840050108
1011211312230
1148335478a8
12220a78bab2
131098942881
14784d99286
154593d0455
hex29c3f0c66

11211312230 has 8 divisors (see below), whose sum is σ = 20180362032. Its totient is φ = 4484524888.

The previous prime is 11211312221. The next prime is 11211312239. The reversal of 11211312230 is 3221311211.

11211312230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11211312221) and next prime (11211312239).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11211312199 and 11211312208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211312239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 560565602 + ... + 560565621.

It is an arithmetic number, because the mean of its divisors is an integer number (2522545254).

Almost surely, 211211312230 is an apocalyptic number.

11211312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211312230 is a deficient number, since it is larger than the sum of its proper divisors (8969049802).

11211312230 is a wasteful number, since it uses less digits than its factorization.

11211312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121131230.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11211312230 its reverse (3221311211), we get a palindrome (14432623441).

The spelling of 11211312230 in words is "eleven billion, two hundred eleven million, three hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 1121131223 2242262446 5605656115 11211312230