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102031310 = 2546322037
BaseRepresentation
bin1100001010011…
…01111111001110
321002222201122102
412011031333032
5202110000220
614042515102
72346152243
oct605157716
9232881572
10102031310
11526596a7
122a205a92
13181a5274
14d79d5ca
158e56775
hex614dfce

102031310 has 16 divisors (see below), whose sum is σ = 184061376. Its totient is φ = 40722528.

The previous prime is 102031301. The next prime is 102031333. The reversal of 102031310 is 13130201.

It is a super-2 number, since 2×1020313102 = 20820776440632200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102031291 and 102031300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6389 + ... + 15648.

It is an arithmetic number, because the mean of its divisors is an integer number (11503836).

Almost surely, 2102031310 is an apocalyptic number.

102031310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102031310 is a deficient number, since it is larger than the sum of its proper divisors (82030066).

102031310 is a wasteful number, since it uses less digits than its factorization.

102031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22507.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 102031310 is about 10101.0548954057. The cubic root of 102031310 is about 467.2806753344.

Adding to 102031310 its reverse (13130201), we get a palindrome (115161511).

The spelling of 102031310 in words is "one hundred two million, thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 463 926 2315 4630 22037 44074 110185 220370 10203131 20406262 51015655 102031310