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1103131300 = 225211031313
BaseRepresentation
bin100000111000000…
…0111001010100100
32211212201212122211
41001300013022210
54224400200200
6301243533204
736223314145
oct10160071244
92755655584
101103131300
11516763967
1226952a204
1314770901b
14a6715acc
1566ca3aba
hex41c072a4

1103131300 has 18 divisors (see below), whose sum is σ = 2393795138. Its totient is φ = 441252480.

The previous prime is 1103131297. The next prime is 1103131303. The reversal of 1103131300 is 31313011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1103131297) and next prime (1103131303).

It can be written as a sum of positive squares in 3 ways, for example, as 111007296 + 992124004 = 10536^2 + 31498^2 .

It is not an unprimeable number, because it can be changed into a prime (1103131303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5515557 + ... + 5515756.

Almost surely, 21103131300 is an apocalyptic number.

1103131300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103131300 is an abundant number, since it is smaller than the sum of its proper divisors (1290663838).

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

1103131300 is a wasteful number, since it uses less digits than its factorization.

1103131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031327 (or 11031320 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1103131300 is about 33213.4204802818. The cubic root of 1103131300 is about 1033.2586961931.

Adding to 1103131300 its reverse (31313011), we get a palindrome (1134444311).

It can be divided in two parts, 1 and 103131300, that added together give a palindrome (103131301).

The spelling of 1103131300 in words is "one billion, one hundred three million, one hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 11031313 22062626 44125252 55156565 110313130 220626260 275782825 551565650 1103131300