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2313012109 = 22131045193
BaseRepresentation
bin1000100111011101…
…1100001110001101
312222012100012010011
42021313130032031
514214112341414
61021303513221
7111214164352
oct21167341615
95865305104
102313012109
11a876a9261
12546758811
132ab27ca25
1417d298629
15d80e1dc4
hex89ddc38d

2313012109 has 4 divisors (see below), whose sum is σ = 2314059516. Its totient is φ = 2311964704.

The previous prime is 2313012071. The next prime is 2313012113. The reversal of 2313012109 is 9012103132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1780418025 + 532594084 = 42195^2 + 23078^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313012109 - 211 = 2313010061 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 2313012109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313012179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520384 + ... + 524809.

It is an arithmetic number, because the mean of its divisors is an integer number (578514879).

Almost surely, 22313012109 is an apocalyptic number.

It is an amenable number.

2313012109 is a deficient number, since it is larger than the sum of its proper divisors (1047407).

2313012109 is a wasteful number, since it uses less digits than its factorization.

2313012109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047406.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2313012109 is about 48093.7845152573. The cubic root of 2313012109 is about 1322.4907267406.

The spelling of 2313012109 in words is "two billion, three hundred thirteen million, twelve thousand, one hundred nine".

Divisors: 1 2213 1045193 2313012109