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2230031211 = 3743343737
BaseRepresentation
bin1000010011101011…
…1001001101101011
312202102012022201120
42010322321031223
514031341444321
61005141150323
7106155644502
oct20472711553
95672168646
102230031211
11a44881501
125229bb3a3
132970178c5
14172257839
15d0b9eec6
hex84eb936b

2230031211 has 4 divisors (see below), whose sum is σ = 2973374952. Its totient is φ = 1486687472.

The previous prime is 2230031207. The next prime is 2230031239. The reversal of 2230031211 is 1121300322.

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 2230031211 - 22 = 2230031207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2230031911) 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, 371671866 + ... + 371671871.

It is an arithmetic number, because the mean of its divisors is an integer number (743343738).

Almost surely, 22230031211 is an apocalyptic number.

2230031211 is a deficient number, since it is larger than the sum of its proper divisors (743343741).

2230031211 is an equidigital number, since it uses as much as digits as its factorization.

2230031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743343740.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2230031211 is about 47223.2062761520. The cubic root of 2230031211 is about 1306.4826512770.

Adding to 2230031211 its reverse (1121300322), we get a palindrome (3351331533).

The spelling of 2230031211 in words is "two billion, two hundred thirty million, thirty-one thousand, two hundred eleven".

Divisors: 1 3 743343737 2230031211