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13030112303 = 131002316331
BaseRepresentation
bin11000010001010011…
…11011110000101111
31020122002110021202222
430020221323300233
5203141202043203
65552544305555
7640620061415
oct141051736057
936562407688
1013030112303
11558718225a
1226379122bb
1312c86b5b30
148b87672b5
15513dee038
hex308a7bc2f

13030112303 has 4 divisors (see below), whose sum is σ = 14032428648. Its totient is φ = 12027795960.

The previous prime is 13030112279. The next prime is 13030112327. The reversal of 13030112303 is 30321103031.

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

It is an interprime number because it is at equal distance from previous prime (13030112279) and next prime (13030112327).

It is a cyclic number.

It is not a de Polignac number, because 13030112303 - 218 = 13029850159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030112393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501158153 + ... + 501158178.

It is an arithmetic number, because the mean of its divisors is an integer number (3508107162).

Almost surely, 213030112303 is an apocalyptic number.

13030112303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13030112303 is a deficient number, since it is larger than the sum of its proper divisors (1002316345).

13030112303 is a wasteful number, since it uses less digits than its factorization.

13030112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002316344.

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

Adding to 13030112303 its reverse (30321103031), we get a palindrome (43351215334).

The spelling of 13030112303 in words is "thirteen billion, thirty million, one hundred twelve thousand, three hundred three".

Divisors: 1 13 1002316331 13030112303