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101031310 = 25671011493
BaseRepresentation
bin1100000010110…
…01110110001110
321001002220220101
412001121312032
5201331000220
614005241314
72334515632
oct601316616
9231086811
10101031310
1152036356
1229a0323a
1317c15053
14d5bcdc2
158d0a30a
hex6059d8e

101031310 has 32 divisors (see below), whose sum is σ = 186522912. Its totient is φ = 39388800.

The previous prime is 101031233. The next prime is 101031317. The reversal of 101031310 is 13130101.

It is a super-2 number, since 2×1010313102 = 20414651200632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101031317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66924 + ... + 68416.

It is an arithmetic number, because the mean of its divisors is an integer number (5828841).

Almost surely, 2101031310 is an apocalyptic number.

101031310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101031310 is a deficient number, since it is larger than the sum of its proper divisors (85491602).

101031310 is a wasteful number, since it uses less digits than its factorization.

101031310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 101031310 is about 10051.4332311367. The cubic root of 101031310 is about 465.7490682402.

Adding to 101031310 its reverse (13130101), we get a palindrome (114161411).

The spelling of 101031310 in words is "one hundred one million, thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 67 101 134 202 335 505 670 1010 1493 2986 6767 7465 13534 14930 33835 67670 100031 150793 200062 301586 500155 753965 1000310 1507930 10103131 20206262 50515655 101031310