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30312002002311 = 3267179280830503
BaseRepresentation
bin1101110010001100100000…
…00111001001110110000111
310222022210120112111200020100
412321012100013021312013
512433112440003033221
6144245050320535143
76245653444555131
oct671062007116607
9128283515450210
1030312002002311
11972727a997327
1234968041814b3
1313bb542953b73
1476b1744ac051
15378740ea1926
hex1b91901c9d87

30312002002311 has 24 divisors (see below), whose sum is σ = 44685749796480. Its totient is φ = 19795180424976.

The previous prime is 30312002002309. The next prime is 30312002002327. The reversal of 30312002002311 is 11320020021303.

30312002002311 is a `hidden beast` number, since 3 + 0 + 31 + 200 + 200 + 231 + 1 = 666.

It is not a de Polignac number, because 30312002002311 - 21 = 30312002002309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312002002391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140307315 + ... + 140523188.

It is an arithmetic number, because the mean of its divisors is an integer number (1861906241520).

Almost surely, 230312002002311 is an apocalyptic number.

30312002002311 is a deficient number, since it is larger than the sum of its proper divisors (14373747794169).

30312002002311 is a wasteful number, since it uses less digits than its factorization.

30312002002311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280830755 (or 280830752 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30312002002311 its reverse (11320020021303), we get a palindrome (41632022023614).

The spelling of 30312002002311 in words is "thirty trillion, three hundred twelve billion, two million, two thousand, three hundred eleven".

Divisors: 1 3 9 67 179 201 537 603 1611 11993 35979 107937 280830503 842491509 2527474527 18815643701 50268660037 56446931103 150805980111 169340793309 452417940333 3368000222479 10104000667437 30312002002311