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1231133022223 = 131731471372137
BaseRepresentation
bin10001111010100101001…
…111110001100000001111
311100200202202222111122121
4101322211033301200033
5130132330023202343
62341324045153411
7154642424011456
oct21724517614017
94320682874577
101231133022223
1143513654a525
1217a727b5b867
138c131623250
1443831229b9d
152205801eaed
hex11ea53f180f

1231133022223 has 16 divisors (see below), whose sum is σ = 1334409463296. Its totient is φ = 1129090394880.

The previous prime is 1231133022199. The next prime is 1231133022241. The reversal of 1231133022223 is 3222203311321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1231133022223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231133023223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3122211 + ... + 3494347.

It is an arithmetic number, because the mean of its divisors is an integer number (83400591456).

Almost surely, 21231133022223 is an apocalyptic number.

1231133022223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1231133022223 is a deficient number, since it is larger than the sum of its proper divisors (103276441073).

1231133022223 is a wasteful number, since it uses less digits than its factorization.

1231133022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373794.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1231133022223 its reverse (3222203311321), we get a palindrome (4453336333544).

The spelling of 1231133022223 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-three million, twenty-two thousand, two hundred twenty-three".

Divisors: 1 13 173 1471 2249 19123 254483 372137 3308279 4837781 64379701 547413527 836936113 7116375851 94702540171 1231133022223