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310430021111 = 744347145873
BaseRepresentation
bin1001000010001110001…
…00100011010111110111
31002200021101211222221022
410201013010203113313
520041230041133421
6354335400411355
731266513433220
oct4410704432767
91080241758838
10310430021111
1110a71a721561
12501b6476b5b
132337293c132
141104c442247
15811d1b07ab
hex48471235f7

310430021111 has 4 divisors (see below), whose sum is σ = 354777166992. Its totient is φ = 266082875232.

The previous prime is 310430021107. The next prime is 310430021137. The reversal of 310430021111 is 111120034013.

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 310430021111 - 22 = 310430021107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 310430021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310430021141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22173572930 + ... + 22173572943.

It is an arithmetic number, because the mean of its divisors is an integer number (88694291748).

Almost surely, 2310430021111 is an apocalyptic number.

310430021111 is a deficient number, since it is larger than the sum of its proper divisors (44347145881).

310430021111 is an equidigital number, since it uses as much as digits as its factorization.

310430021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44347145880.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 310430021111 its reverse (111120034013), we get a palindrome (421550055124).

The spelling of 310430021111 in words is "three hundred ten billion, four hundred thirty million, twenty-one thousand, one hundred eleven".

Divisors: 1 7 44347145873 310430021111