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22321103231 = 7211313130773
BaseRepresentation
bin10100110010011100…
…010000000101111111
32010121121002112022002
4110302130100011333
5331203200300411
614130522412515
71420065150500
oct246234200577
963547075262
1022321103231
119514754259
1243ab36113b
13214952b3bb
14111a688ba7
158a990a33b
hex53271017f

22321103231 has 24 divisors (see below), whose sum is σ = 26395967664. Its totient is φ = 18817693440.

The previous prime is 22321103221. The next prime is 22321103239. The reversal of 22321103231 is 13230112322.

It is not a de Polignac number, because 22321103231 - 214 = 22321086847 is a prime.

It is a super-3 number, since 3×223211032313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321103239) 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 23 ways as a sum of consecutive naturals, for example, 709961 + ... + 740733.

It is an arithmetic number, because the mean of its divisors is an integer number (1099831986).

Almost surely, 222321103231 is an apocalyptic number.

22321103231 is a deficient number, since it is larger than the sum of its proper divisors (4074864433).

22321103231 is a wasteful number, since it uses less digits than its factorization.

22321103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31031 (or 31024 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22321103231 its reverse (13230112322), we get a palindrome (35551215553).

Subtracting from 22321103231 its reverse (13230112322), we obtain a palindrome (9090990909).

The spelling of 22321103231 in words is "twenty-two billion, three hundred twenty-one million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 7 49 113 131 791 917 5537 6419 14803 30773 103621 215411 725347 1507877 3477349 4031263 24341443 28218841 170390101 197531887 455532719 3188729033 22321103231