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2320131211 = 19122112169
BaseRepresentation
bin1000101001001010…
…0110010010001011
312222200201212200121
42022102212102023
514222423144321
61022120244111
7111331534636
oct21222462213
95880655617
102320131211
11a90720a12
12549010637
132ac8a3208
141801ccc1d
15d8a4b441
hex8a4a648b

2320131211 has 4 divisors (see below), whose sum is σ = 2442243400. Its totient is φ = 2198019024.

The previous prime is 2320131197. The next prime is 2320131217. The reversal of 2320131211 is 1121310232.

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 2320131211 - 29 = 2320130699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320131217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61056066 + ... + 61056103.

It is an arithmetic number, because the mean of its divisors is an integer number (610560850).

Almost surely, 22320131211 is an apocalyptic number.

2320131211 is a deficient number, since it is larger than the sum of its proper divisors (122112189).

2320131211 is a wasteful number, since it uses less digits than its factorization.

2320131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122112188.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2320131211 is about 48167.7403559685. The cubic root of 2320131211 is about 1323.8461460173.

Adding to 2320131211 its reverse (1121310232), we get a palindrome (3441441443).

The spelling of 2320131211 in words is "two billion, three hundred twenty million, one hundred thirty-one thousand, two hundred eleven".

Divisors: 1 19 122112169 2320131211