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23311313132112 = 243353961372991
BaseRepresentation
bin1010100110011100101101…
…00010011101101001010000
310001112112120111022110121000
411103032112202131221100
511023413032130211422
6121325022554302000
74624121033156655
oct523162642355120
9101475514273530
1023311313132112
1174782aa5a1675
122745a7b727900
13100132a6b5045
145a83b8997c2c
152a65aa07ccac
hex15339689da50

23311313132112 has 40 divisors (see below), whose sum is σ = 66912102510080. Its totient is φ = 7770437710560.

The previous prime is 23311313132111. The next prime is 23311313132131. The reversal of 23311313132112 is 21123131311332.

23311313132112 is a `hidden beast` number, since 2 + 3 + 3 + 1 + 131 + 313 + 211 + 2 = 666.

It is a super-3 number, since 3×233113131321123 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311313132111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26980686064 + ... + 26980686927.

It is an arithmetic number, because the mean of its divisors is an integer number (1672802562752).

Almost surely, 223311313132112 is an apocalyptic number.

It is an amenable number.

23311313132112 is an abundant number, since it is smaller than the sum of its proper divisors (43600789377968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311313132112 is a wasteful number, since it uses less digits than its factorization.

23311313132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53961373008 (or 53961372996 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 23311313132112 its reverse (21123131311332), we get a palindrome (44434444443444).

The spelling of 23311313132112 in words is "twenty-three trillion, three hundred eleven billion, three hundred thirteen million, one hundred thirty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 53961372991 107922745982 161884118973 215845491964 323768237946 431690983928 485652356919 647536475892 863381967856 971304713838 1295072951784 1456957070757 1942609427676 2590145903568 2913914141514 3885218855352 5827828283028 7770437710704 11655656566056 23311313132112