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312223122401201 = 1126738512781843
BaseRepresentation
bin100011011111101110001110…
…0010011010010011110110001
31111221111020110020012001121122
41012333130130103102132301
5311410430423313314301
63024013153341432025
7122523243014561024
oct10677343423223661
91457436406161548
10312223122401201
119053609aa56800
122b026b23b6b615
131052a68b65a86b
1457159733671bb
15261698eb4081b
hex11bf71c4d27b1

312223122401201 has 12 divisors (see below), whose sum is σ = 348309598997136. Its totient is φ = 279602796172920.

The previous prime is 312223122401129. The next prime is 312223122401243. The reversal of 312223122401201 is 102104221322213.

It is not a de Polignac number, because 312223122401201 - 218 = 312223122139057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312223122403201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19256382815 + ... + 19256399028.

It is an arithmetic number, because the mean of its divisors is an integer number (29025799916428).

Almost surely, 2312223122401201 is an apocalyptic number.

It is an amenable number.

312223122401201 is a deficient number, since it is larger than the sum of its proper divisors (36086476595935).

312223122401201 is a wasteful number, since it uses less digits than its factorization.

312223122401201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38512781932 (or 38512781921 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 312223122401201 its reverse (102104221322213), we get a palindrome (414327343723414).

The spelling of 312223122401201 in words is "three hundred twelve trillion, two hundred twenty-three billion, one hundred twenty-two million, four hundred one thousand, two hundred one".

Divisors: 1 11 67 121 737 8107 38512781843 423640600273 2580356383481 4660046603003 28383920218291 312223122401201