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13210120312031 = 41719448119689
BaseRepresentation
bin1100000000111011100010…
…0001110101010011011111
31201202212121222221022222102
43000032320201311103133
53212413311244441111
644032351232035315
72532254044651316
oct300167041652337
951685558838872
1013210120312031
114233420590135
121594262692b3b
1374a92a89a9b6
1433953222727d
1517d95b33213b
hexc03b88754df

13210120312031 has 8 divisors (see below), whose sum is σ = 13551139425600. Its totient is φ = 12869997439360.

The previous prime is 13210120311961. The next prime is 13210120312073. The reversal of 13210120312031 is 13021302101231.

It is a happy number.

13210120312031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13210120312031 - 222 = 13210116117727 is a prime.

It is a super-2 number, since 2×132101203120312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13210120311994 and 13210120312012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210120312231) 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, 224030366 + ... + 224089323.

It is an arithmetic number, because the mean of its divisors is an integer number (1693892428200).

Almost surely, 213210120312031 is an apocalyptic number.

13210120312031 is a deficient number, since it is larger than the sum of its proper divisors (341019113569).

13210120312031 is an equidigital number, since it uses as much as digits as its factorization.

13210120312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448120449.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13210120312031 its reverse (13021302101231), we get a palindrome (26231422413262).

The spelling of 13210120312031 in words is "thirteen trillion, two hundred ten billion, one hundred twenty million, three hundred twelve thousand, thirty-one".

Divisors: 1 41 719 29479 448119689 18372907249 322198056391 13210120312031