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13331103303 = 375311977631
BaseRepresentation
bin11000110101001100…
…00111111001000111
31021102001211012210210
430122212013321013
5204300230301203
610042455450503
7651233336250
oct143246077107
937361735723
1013331103303
115721073251
122700686a33
131345b6ca0b
14906717b27
15530556803
hex31a987e47

13331103303 has 16 divisors (see below), whose sum is σ = 20697348096. Its totient is φ = 7474041120.

The previous prime is 13331103241. The next prime is 13331103319. The reversal of 13331103303 is 30330113331.

It is not a de Polignac number, because 13331103303 - 26 = 13331103239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13331103303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331103103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5987703 + ... + 5989928.

It is an arithmetic number, because the mean of its divisors is an integer number (1293584256).

Almost surely, 213331103303 is an apocalyptic number.

13331103303 is a deficient number, since it is larger than the sum of its proper divisors (7366244793).

13331103303 is a wasteful number, since it uses less digits than its factorization.

13331103303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11977694.

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 13331103303 its reverse (30330113331), we get a palindrome (43661216634).

The spelling of 13331103303 in words is "thirteen billion, three hundred thirty-one million, one hundred three thousand, three hundred three".

Divisors: 1 3 7 21 53 159 371 1113 11977631 35932893 83843417 251530251 634814443 1904443329 4443701101 13331103303