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13102101313321 = 87553149647657
BaseRepresentation
bin1011111010101001001000…
…0110000011011100101001
31201101112210222010122111111
42332222102012003130221
53204131100414011241
643511004450030321
72521411166423656
oct276522206033451
951345728118444
1013102101313321
1141a162a690679
1215773372783a1
137406a4925707
14334206194c2d
1517ac380e7c81
hexbea92183729

13102101313321 has 4 divisors (see below), whose sum is σ = 13102251048532. Its totient is φ = 13101951578112.

The previous prime is 13102101313309. The next prime is 13102101313339. The reversal of 13102101313321 is 12331310120131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8897095840000 + 4205005473321 = 2982800^2 + 2050611^2 .

It is a cyclic number.

It is not a de Polignac number, because 13102101313321 - 215 = 13102101280553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13102101313292 and 13102101313301.

It is not an unprimeable number, because it can be changed into a prime (13102101313351) 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, 74736276 + ... + 74911381.

It is an arithmetic number, because the mean of its divisors is an integer number (3275562762133).

Almost surely, 213102101313321 is an apocalyptic number.

It is an amenable number.

13102101313321 is a deficient number, since it is larger than the sum of its proper divisors (149735211).

13102101313321 is an equidigital number, since it uses as much as digits as its factorization.

13102101313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149735210.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13102101313321 its reverse (12331310120131), we get a palindrome (25433411433452).

The spelling of 13102101313321 in words is "thirteen trillion, one hundred two billion, one hundred one million, three hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 87553 149647657 13102101313321