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31402200011 = 71319173277379
BaseRepresentation
bin11101001111101101…
…111000101111001011
310000001110210001011212
4131033231320233023
51003302430400021
622232002043335
72161114203350
oct351755705713
9100043701155
1031402200011
11123547a5716
12610464954b
132c65a34050
14173c770627
15c3bca585b
hex74fb78bcb

31402200011 has 64 divisors (see below), whose sum is σ = 41174246400. Its totient is φ = 23255963136.

The previous prime is 31402199993. The next prime is 31402200023. The reversal of 31402200011 is 11000220413.

It is not a de Polignac number, because 31402200011 - 26 = 31402199947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31422200011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82855220 + ... + 82855598.

It is an arithmetic number, because the mean of its divisors is an integer number (643347600).

Almost surely, 231402200011 is an apocalyptic number.

31402200011 is a deficient number, since it is larger than the sum of its proper divisors (9772046389).

31402200011 is a wasteful number, since it uses less digits than its factorization.

31402200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 31402200011 its reverse (11000220413), we get a palindrome (42402420424).

The spelling of 31402200011 in words is "thirty-one billion, four hundred two million, two hundred thousand, eleven".

Divisors: 1 7 13 19 91 133 173 247 277 379 1211 1729 1939 2249 2653 3287 3601 4927 5263 7201 15743 23009 25207 34489 36841 42731 47921 50407 65567 68419 93613 104983 299117 335447 458969 478933 622973 655291 734881 852371 910499 1245773 1364779 1994677 4360811 5966597 6373493 8720411 9553453 11836487 13962739 16195049 18162059 25930801 82855409 113365343 127134413 181515607 236106767 345079121 1652747369 2415553847 4486028573 31402200011