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31004234322 = 2367268728703
BaseRepresentation
bin11100110111111111…
…110001001001010010
32222000201221021212220
4130313333301021102
51001444040444242
622124304201510
72145212433465
oct346777611122
988021837786
1031004234322
111217009a156
126013309296
132c014556a9
1417019792dc
15c16d94bec
hex737ff1252

31004234322 has 32 divisors (see below), whose sum is σ = 62959583232. Its totient is φ = 10176351504.

The previous prime is 31004234311. The next prime is 31004234329. The reversal of 31004234322 is 22343240013.

It is a super-2 number, since 2×310042343222 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31004234292 and 31004234301.

It is not an unprimeable number, because it can be changed into a prime (31004234329) 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, 1065823 + ... + 1094525.

It is an arithmetic number, because the mean of its divisors is an integer number (1967486976).

Almost surely, 231004234322 is an apocalyptic number.

31004234322 is an abundant number, since it is smaller than the sum of its proper divisors (31955348910).

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

31004234322 is a wasteful number, since it uses less digits than its factorization.

31004234322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31462.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31004234322 its reverse (22343240013), we get a palindrome (53347474335).

The spelling of 31004234322 in words is "thirty-one billion, four million, two hundred thirty-four thousand, three hundred twenty-two".

Divisors: 1 2 3 6 67 134 201 402 2687 5374 8061 16122 28703 57406 86109 172218 180029 360058 540087 1080174 1923101 3846202 5769303 11538606 77124961 154249922 231374883 462749766 5167372387 10334744774 15502117161 31004234322