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1313103103013 = 13461219106141
BaseRepresentation
bin10011000110111011000…
…010110100010000100101
311122112100102011001102202
4103012323002310100211
5133003213343244023
62443121540344245
7163603630134032
oct23067302642045
94575312131382
101313103103013
1146697a518449
121925a36a5085
1396a95958130
14477a98b2389
1524254441128
hex131bb0b4425

1313103103013 has 8 divisors (see below), whose sum is σ = 1417178526456. Its totient is φ = 1209465892800.

The previous prime is 1313103102977. The next prime is 1313103103033. The reversal of 1313103103013 is 3103013013131.

It can be written as a sum of positive squares in 4 ways, for example, as 3959807329 + 1309143295684 = 62927^2 + 1144178^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1313103103013 - 220 = 1313102054437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313103103033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109547078 + ... + 109559063.

It is an arithmetic number, because the mean of its divisors is an integer number (177147315807).

Almost surely, 21313103103013 is an apocalyptic number.

1313103103013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1313103103013 is a deficient number, since it is larger than the sum of its proper divisors (104075423443).

1313103103013 is a wasteful number, since it uses less digits than its factorization.

1313103103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219106615.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 1313103103013 its reverse (3103013013131), we get a palindrome (4416116116144).

It can be divided in two parts, 131310 and 3103013, that added together give a palindrome (3234323).

The spelling of 1313103103013 in words is "one trillion, three hundred thirteen billion, one hundred three million, one hundred three thousand, thirteen".

Divisors: 1 13 461 5993 219106141 2848379833 101007931001 1313103103013