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30001321311 = 313827930187
BaseRepresentation
bin11011111100001101…
…111101010101011111
32212102211210000212120
4123330031331111133
5442420314240221
621441000234023
72111314011033
oct337415752537
985384700776
1030001321311
11117a5a66825
12599346b913
132aa1738640
1416486b01c3
15ba8cda5c6
hex6fc37d55f

30001321311 has 16 divisors (see below), whose sum is σ = 43130957184. Its totient is φ = 18440007264.

The previous prime is 30001321307. The next prime is 30001321331. The reversal of 30001321311 is 11312310003.

It is not a de Polignac number, because 30001321311 - 22 = 30001321307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001321331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432841 + ... + 497346.

It is an arithmetic number, because the mean of its divisors is an integer number (2695684824).

Almost surely, 230001321311 is an apocalyptic number.

30001321311 is a deficient number, since it is larger than the sum of its proper divisors (13129635873).

30001321311 is a wasteful number, since it uses less digits than its factorization.

30001321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931030.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30001321311 its reverse (11312310003), we get a palindrome (41313631314).

The spelling of 30001321311 in words is "thirty billion, one million, three hundred twenty-one thousand, three hundred eleven".

Divisors: 1 3 13 39 827 2481 10751 32253 930187 2790561 12092431 36277293 769264649 2307793947 10000440437 30001321311