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3031234221 = 31010411407
BaseRepresentation
bin1011010010101100…
…1111011010101101
321211020210122122010
42310223033122231
522201443443341
61220441511433
7135055031361
oct26453173255
97736718563
103031234221
111316064154
127071a2579
13393ccc222
1420a8172a1
1512b1b3716
hexb4acf6ad

3031234221 has 4 divisors (see below), whose sum is σ = 4041645632. Its totient is φ = 2020822812.

The previous prime is 3031234211. The next prime is 3031234279. The reversal of 3031234221 is 1224321303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3031234221 - 27 = 3031234093 is a prime.

It is a super-2 number, since 2×30312342212 = 18376761805122953682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031234211) 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, 505205701 + ... + 505205706.

It is an arithmetic number, because the mean of its divisors is an integer number (1010411408).

Almost surely, 23031234221 is an apocalyptic number.

It is an amenable number.

3031234221 is a deficient number, since it is larger than the sum of its proper divisors (1010411411).

3031234221 is a wasteful number, since it uses less digits than its factorization.

3031234221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010411410.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3031234221 is about 55056.6455661803. The cubic root of 3031234221 is about 1447.2375818358.

Adding to 3031234221 its reverse (1224321303), we get a palindrome (4255555524).

The spelling of 3031234221 in words is "three billion, thirty-one million, two hundred thirty-four thousand, two hundred twenty-one".

Divisors: 1 3 1010411407 3031234221