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13331100212231 = 44269301138499
BaseRepresentation
bin1100000111111110001101…
…1111100001110000000111
31202012102220021222000211212
43001333203133201300013
53221404043123242411
644204120051122035
72544066043101524
oct301774337416007
952172807860755
1013331100212231
11427a76258a82a
1215b37a65a331b
1375916aaa5569
1434132b76814b
15181b8c34868b
hexc1fe37e1c07

13331100212231 has 4 divisors (see below), whose sum is σ = 13331401395000. Its totient is φ = 13330799029464.

The previous prime is 13331100212201. The next prime is 13331100212239. The reversal of 13331100212231 is 13221200113331.

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 13331100212231 - 210 = 13331100211207 is a prime.

It is a super-2 number, since 2×133311002122312 (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 = 13331100212197 and 13331100212206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331100212239) 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, 150524981 + ... + 150613518.

It is an arithmetic number, because the mean of its divisors is an integer number (3332850348750).

Almost surely, 213331100212231 is an apocalyptic number.

13331100212231 is a deficient number, since it is larger than the sum of its proper divisors (301182769).

13331100212231 is an equidigital number, since it uses as much as digits as its factorization.

13331100212231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301182768.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13331100212231 its reverse (13221200113331), we get a palindrome (26552300325562).

The spelling of 13331100212231 in words is "thirteen trillion, three hundred thirty-one billion, one hundred million, two hundred twelve thousand, two hundred thirty-one".

Divisors: 1 44269 301138499 13331100212231