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3141307891 is a prime number
BaseRepresentation
bin1011101100111100…
…1000110111110011
322002220220222022201
42323033020313303
522413133323031
61235413044031
7140562451021
oct27317106763
98086828281
103141307891
111372206127
12738026617
133b0a5bc87
1421b2ab711
15135ba7d61
hexbb3c8df3

3141307891 has 2 divisors, whose sum is σ = 3141307892. Its totient is φ = 3141307890.

The previous prime is 3141307861. The next prime is 3141307907. The reversal of 3141307891 is 1987031413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3141307891 - 25 = 3141307859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3141307891.

It is not a weakly prime, because it can be changed into another prime (3141307831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570653945 + 1570653946.

It is an arithmetic number, because the mean of its divisors is an integer number (1570653946).

Almost surely, 23141307891 is an apocalyptic number.

3141307891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3141307891 is an equidigital number, since it uses as much as digits as its factorization.

3141307891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 3141307891 is about 56047.3718473935. The cubic root of 3141307891 is about 1464.5476346802.

The spelling of 3141307891 in words is "three billion, one hundred forty-one million, three hundred seven thousand, eight hundred ninety-one".