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2031330011211 = 32225703334579
BaseRepresentation
bin11101100011110100101…
…101000010100001001011
321012012012212210022201200
4131203310231002201023
5231240130440324321
64153102523515243
7266521152130434
oct35436455024113
97165185708650
102031330011211
1171353391aa36
12289828388b23
13119727341547
14704617cc48b
1537c8d773d26
hex1d8f4b4284b

2031330011211 has 6 divisors (see below), whose sum is σ = 2934143349540. Its totient is φ = 1354220007468.

The previous prime is 2031330011177. The next prime is 2031330011233. The reversal of 2031330011211 is 1121100331302.

2031330011211 is a `hidden beast` number, since 20 + 313 + 300 + 11 + 21 + 1 = 666.

It is not a de Polignac number, because 2031330011211 - 27 = 2031330011083 is a prime.

It is a super-2 number, since 2×20313300112112 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2031330051211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112851667281 + ... + 112851667298.

It is an arithmetic number, because the mean of its divisors is an integer number (489023891590).

Almost surely, 22031330011211 is an apocalyptic number.

2031330011211 is a deficient number, since it is larger than the sum of its proper divisors (902813338329).

2031330011211 is a wasteful number, since it uses less digits than its factorization.

2031330011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225703334585 (or 225703334582 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2031330011211 its reverse (1121100331302), we get a palindrome (3152430342513).

The spelling of 2031330011211 in words is "two trillion, thirty-one billion, three hundred thirty million, eleven thousand, two hundred eleven".

Divisors: 1 3 9 225703334579 677110003737 2031330011211