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13303312001231 = 72237578493469
BaseRepresentation
bin1100000110010110101100…
…1011111010100011001111
31202002210011200112122120212
43001211223023322203033
53220430140333014411
644143242425233035
72542063321152230
oct301455313724317
952083150478525
1013303312001231
1142699a289859a
1215aa33033277b
1375665ca0ba65
1433dc52d89087
151810b29b968b
hexc196b2fa8cf

13303312001231 has 8 divisors (see below), whose sum is σ = 15203854882080. Its totient is φ = 11402786554848.

The previous prime is 13303312001227. The next prime is 13303312001339. The reversal of 13303312001231 is 13210021330331.

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 13303312001231 - 22 = 13303312001227 is a prime.

It is a super-2 number, since 2×133033120012312 (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 = 13303312001197 and 13303312001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13303312001431) 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, 2680436 + ... + 5813033.

It is an arithmetic number, because the mean of its divisors is an integer number (1900481860260).

Almost surely, 213303312001231 is an apocalyptic number.

13303312001231 is a deficient number, since it is larger than the sum of its proper divisors (1900542880849).

13303312001231 is an equidigital number, since it uses as much as digits as its factorization.

13303312001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717233.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13303312001231 its reverse (13210021330331), we get a palindrome (26513333331562).

The spelling of 13303312001231 in words is "thirteen trillion, three hundred three billion, three hundred twelve million, one thousand, two hundred thirty-one".

Divisors: 1 7 223757 1566299 8493469 59454283 1900473143033 13303312001231