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11331330031031 = 191177913333457
BaseRepresentation
bin1010010011100100011111…
…1001101011110110110111
31111010021010212120012000012
42210321013321223312313
52441123030441443111
640033312520010435
72246442631033223
oct244710771536667
944107125505005
1011331330031031
11367965443923a
121330107600a1b
13642703038b5a
142b262161d783
15149b4961548b
hexa4e47e6bdb7

11331330031031 has 8 divisors (see below), whose sum is σ = 11390754549504. Its totient is φ = 11271906535680.

The previous prime is 11331330031013. The next prime is 11331330031079. The reversal of 11331330031031 is 13013003313311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11331330031031 is a prime.

It is a super-2 number, since 2×113313300310312 (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 = 11331330030988 and 11331330031006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331330031081) 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, 33814655 + ... + 34148111.

It is an arithmetic number, because the mean of its divisors is an integer number (1423844318688).

Almost surely, 211331330031031 is an apocalyptic number.

11331330031031 is a deficient number, since it is larger than the sum of its proper divisors (59424518473).

11331330031031 is a wasteful number, since it uses less digits than its factorization.

11331330031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511561.

The product of its (nonzero) digits is 729, while the sum is 23.

Adding to 11331330031031 its reverse (13013003313311), we get a palindrome (24344333344342).

The spelling of 11331330031031 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirty million, thirty-one thousand, thirty-one".

Divisors: 1 191 177913 333457 33981383 63690287 59326335241 11331330031031