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13031310330103 = 131002408486931
BaseRepresentation
bin1011110110100001011010…
…0111111000100011110111
31201010210002102102002122011
42331220112213320203313
53202001110421030403
643414300141345051
72513324006123542
oct275502647704367
951123072362564
1013031310330103
114174602a5716a
12156567b568187
13736b02664370
14330a0c4bd859
15178e93341a6d
hexbda169f88f7

13031310330103 has 4 divisors (see below), whose sum is σ = 14033718817048. Its totient is φ = 12028901843160.

The previous prime is 13031310329969. The next prime is 13031310330121. The reversal of 13031310330103 is 30103301313031.

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 13031310330103 - 217 = 13031310199031 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 (13031310336103) 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, 501204243453 + ... + 501204243478.

It is an arithmetic number, because the mean of its divisors is an integer number (3508429704262).

Almost surely, 213031310330103 is an apocalyptic number.

13031310330103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13031310330103 is a deficient number, since it is larger than the sum of its proper divisors (1002408486945).

13031310330103 is a wasteful number, since it uses less digits than its factorization.

13031310330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002408486944.

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 13031310330103 its reverse (30103301313031), we get a palindrome (43134611643134).

The spelling of 13031310330103 in words is "thirteen trillion, thirty-one billion, three hundred ten million, three hundred thirty thousand, one hundred three".

Divisors: 1 13 1002408486931 13031310330103