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13230104303 = 131017700331
BaseRepresentation
bin11000101001001001…
…10101111011101111
31021011000202221020002
430110210311323233
5204043401314203
610024451014515
7645566013443
oct142444657357
937130687202
1013230104303
11567a05a1a9
12269289a43b
13132ac695b0
148d7146823
15526755d88
hex314935eef

13230104303 has 4 divisors (see below), whose sum is σ = 14247804648. Its totient is φ = 12212403960.

The previous prime is 13230104233. The next prime is 13230104309. The reversal of 13230104303 is 30340103231.

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 13230104303 - 214 = 13230087919 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 (13230104309) 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, 508850153 + ... + 508850178.

It is an arithmetic number, because the mean of its divisors is an integer number (3561951162).

Almost surely, 213230104303 is an apocalyptic number.

13230104303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13230104303 is a deficient number, since it is larger than the sum of its proper divisors (1017700345).

13230104303 is a wasteful number, since it uses less digits than its factorization.

13230104303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017700344.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13230104303 its reverse (30340103231), we get a palindrome (43570207534).

The spelling of 13230104303 in words is "thirteen billion, two hundred thirty million, one hundred four thousand, three hundred three".

Divisors: 1 13 1017700331 13230104303