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130311303 = 343437101
BaseRepresentation
bin1111100010001…
…10010010000111
3100002012111111120
413301012102013
5231324430203
620533005023
73141425223
oct761062207
9302174446
10130311303
11676148a1
1237783773
1320cc73a5
1413441783
15b690b53
hex7c46487

130311303 has 4 divisors (see below), whose sum is σ = 173748408. Its totient is φ = 86874200.

The previous prime is 130311277. The next prime is 130311317. The reversal of 130311303 is 303113031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130311303 - 218 = 130049159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130311323) 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 3 ways as a sum of consecutive naturals, for example, 21718548 + ... + 21718553.

It is an arithmetic number, because the mean of its divisors is an integer number (43437102).

Almost surely, 2130311303 is an apocalyptic number.

130311303 is a deficient number, since it is larger than the sum of its proper divisors (43437105).

130311303 is an equidigital number, since it uses as much as digits as its factorization.

130311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43437104.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 130311303 is about 11415.3976277658. The cubic root of 130311303 is about 506.9837379874.

Adding to 130311303 its reverse (303113031), we get a palindrome (433424334).

The spelling of 130311303 in words is "one hundred thirty million, three hundred eleven thousand, three hundred three".

Divisors: 1 3 43437101 130311303