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13031103320203 = 78759272793647
BaseRepresentation
bin1011110110100000101001…
…0010001101000010001011
31201010202112222212220102211
42331220022102031002023
53202000144422221303
643414223424405551
72513315613432253
oct275501222150213
951122488786384
1013031103320203
114174507116601
1215656221768b7
13736a9b7c44b7
143309ccbd4963
15178e800a066d
hexbda0a48d08b

13031103320203 has 8 divisors (see below), whose sum is σ = 13049867331072. Its totient is φ = 13012344910056.

The previous prime is 13031103320161. The next prime is 13031103320227. The reversal of 13031103320203 is 30202330113031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13031103320203 is a prime.

It is a super-2 number, since 2×130311033202032 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031103320243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3267726 + ... + 6061372.

It is an arithmetic number, because the mean of its divisors is an integer number (1631233416384).

Almost surely, 213031103320203 is an apocalyptic number.

13031103320203 is a deficient number, since it is larger than the sum of its proper divisors (18764010869).

13031103320203 is an equidigital number, since it uses as much as digits as its factorization.

13031103320203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800361.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13031103320203 its reverse (30202330113031), we get a palindrome (43233433433234).

The spelling of 13031103320203 in words is "thirteen trillion, thirty-one billion, one hundred three million, three hundred twenty thousand, two hundred three".

Divisors: 1 787 5927 2793647 4664549 2198600189 16557945769 13031103320203