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3141241221 = 31047080407
BaseRepresentation
bin1011101100111011…
…1000100110000101
322002220210120212110
42323032320212011
522413124204341
61235411411233
7140562052446
oct27316704605
98086716773
103141241221
111372170028
12737bb3b19
133b0a37821
1421b2912cd
15135b93216
hexbb3b8985

3141241221 has 4 divisors (see below), whose sum is σ = 4188321632. Its totient is φ = 2094160812.

The previous prime is 3141241219. The next prime is 3141241247. The reversal of 3141241221 is 1221421413.

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 3141241221 - 21 = 3141241219 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 (3141241211) 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, 523540201 + ... + 523540206.

It is an arithmetic number, because the mean of its divisors is an integer number (1047080408).

Almost surely, 23141241221 is an apocalyptic number.

It is an amenable number.

3141241221 is a deficient number, since it is larger than the sum of its proper divisors (1047080411).

3141241221 is a wasteful number, since it uses less digits than its factorization.

3141241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047080410.

The product of its digits is 384, while the sum is 21.

The square root of 3141241221 is about 56046.7770795074. Note that the first 3 decimals coincide. The cubic root of 3141241221 is about 1464.5372735944.

Adding to 3141241221 its reverse (1221421413), we get a palindrome (4362662634).

The spelling of 3141241221 in words is "three billion, one hundred forty-one million, two hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 3 1047080407 3141241221