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32313031010 = 25131714621281
BaseRepresentation
bin11110000110000000…
…011011100101100010
310002101221200001102022
4132012000123211202
51012134113443020
622502220221442
72222514142331
oct360600334542
9102357601368
1032313031010
1112781955507
12631969a882
13307c6505c0
1417c7709d18
15c91c21625
hex78601b962

32313031010 has 32 divisors (see below), whose sum is σ = 66322135152. Its totient is φ = 11229143040.

The previous prime is 32313030989. The next prime is 32313031019. The reversal of 32313031010 is 1013031323.

It can be written as a sum of positive squares in 8 ways, for example, as 16605672769 + 15707358241 = 128863^2 + 125329^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 32313031010.

It is not an unprimeable number, because it can be changed into a prime (32313031019) 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, 7308431 + ... + 7312850.

Almost surely, 232313031010 is an apocalyptic number.

32313031010 is an abundant number, since it is smaller than the sum of its proper divisors (34009104142).

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

32313031010 is a wasteful number, since it uses less digits than its factorization.

32313031010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14621318.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 32313031010 its reverse (1013031323), we get a palindrome (33326062333).

The spelling of 32313031010 in words is "thirty-two billion, three hundred thirteen million, thirty-one thousand, ten".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 442 1105 2210 14621281 29242562 73106405 146212810 190076653 248561777 380153306 497123554 950383265 1242808885 1900766530 2485617770 3231303101 6462606202 16156515505 32313031010