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23331103412231 = 2115991304314153
BaseRepresentation
bin1010100111000001100100…
…01000011001000000000111
310001121102122201012212020202
411103200302020121000013
511024224044433142411
6121342054432521115
74625421330604436
oct523406210310007
9101542581185222
1023331103412231
1174857356a9a7a
1227498833b019b
1310031627b1474
145a933508b11d
152a6d676be83b
hex153832219007

23331103412231 has 16 divisors (see below), whose sum is σ = 23484271507200. Its totient is φ = 23178348822720.

The previous prime is 23331103412219. The next prime is 23331103412237. The reversal of 23331103412231 is 13221430113332.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23331103412231 is a prime.

It is a super-2 number, since 2×233311034122312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23331103412194 and 23331103412203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331103412237) 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, 1648484651 + ... + 1648498803.

It is an arithmetic number, because the mean of its divisors is an integer number (1467766969200).

Almost surely, 223331103412231 is an apocalyptic number.

23331103412231 is a deficient number, since it is larger than the sum of its proper divisors (153168094969).

23331103412231 is a wasteful number, since it uses less digits than its factorization.

23331103412231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28006.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 23331103412231 its reverse (13221430113332), we get a palindrome (36552533525563).

The spelling of 23331103412231 in words is "twenty-three trillion, three hundred thirty-one billion, one hundred three million, four hundred twelve thousand, two hundred thirty-one".

Divisors: 1 211 599 13043 14153 126389 2752073 2986283 7812757 8477647 184597579 1648491727 1788783517 38950089169 110573949821 23331103412231