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3102013223 = 9013344171
BaseRepresentation
bin1011100011100100…
…1111011100100111
322000011222121011122
42320321033130213
522323103410343
61231450524155
7136604451221
oct27071173447
98004877148
103102013223
1113520074a1
12726a3665b
133a58814aa
14215d9d411
151324e5068
hexb8e4f727

3102013223 has 4 divisors (see below), whose sum is σ = 3102366408. Its totient is φ = 3101660040.

The previous prime is 3102013193. The next prime is 3102013231. The reversal of 3102013223 is 3223102013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3223102013 = 7145395803.

It is a cyclic number.

It is not a de Polignac number, because 3102013223 - 214 = 3101996839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102013253) 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, 163073 + ... + 181098.

It is an arithmetic number, because the mean of its divisors is an integer number (775591602).

Almost surely, 23102013223 is an apocalyptic number.

3102013223 is a deficient number, since it is larger than the sum of its proper divisors (353185).

3102013223 is an equidigital number, since it uses as much as digits as its factorization.

3102013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353184.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3102013223 is about 55695.7199702096. The cubic root of 3102013223 is about 1458.4153105250.

Adding to 3102013223 its reverse (3223102013), we get a palindrome (6325115236).

The spelling of 3102013223 in words is "three billion, one hundred two million, thirteen thousand, two hundred twenty-three".

Divisors: 1 9013 344171 3102013223