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3111443141 is a prime number
BaseRepresentation
bin1011100101110100…
…1101101011000101
322000211201200120212
42321131031223011
522333012140031
61232425005205
7140050554542
oct27135155305
98024650525
103111443141
111357368314
1272a023805
133a7803721
14217335bc9
1513325912b
hexb974dac5

3111443141 has 2 divisors, whose sum is σ = 3111443142. Its totient is φ = 3111443140.

The previous prime is 3111443087. The next prime is 3111443177. The reversal of 3111443141 is 1413441113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2672373025 + 439070116 = 51695^2 + 20954^2 .

It is a cyclic number.

It is not a de Polignac number, because 3111443141 - 26 = 3111443077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111443441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555721570 + 1555721571.

It is an arithmetic number, because the mean of its divisors is an integer number (1555721571).

Almost surely, 23111443141 is an apocalyptic number.

It is an amenable number.

3111443141 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111443141 is an equidigital number, since it uses as much as digits as its factorization.

3111443141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 3111443141 is about 55780.3114100307. The cubic root of 3111443141 is about 1459.8916447076.

Adding to 3111443141 its reverse (1413441113), we get a palindrome (4524884254).

The spelling of 3111443141 in words is "three billion, one hundred eleven million, four hundred forty-three thousand, one hundred forty-one".