Search a number
-
+
3151305161 is a prime number
BaseRepresentation
bin1011101111010101…
…0001100111001001
322010121201212222222
42323311101213021
522423213231121
61240411223425
7141043436414
oct27365214711
98117655888
103151305161
111377914234
1273b447b75
133b2b4c514
1421c750b7b
151369d00ab
hexbbd519c9

3151305161 has 2 divisors, whose sum is σ = 3151305162. Its totient is φ = 3151305160.

The previous prime is 3151305139. The next prime is 3151305167. The reversal of 3151305161 is 1615031513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3142275136 + 9030025 = 56056^2 + 3005^2 .

It is a cyclic number.

It is not a de Polignac number, because 3151305161 - 210 = 3151304137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3151305161.

It is not a weakly prime, because it can be changed into another prime (3151305167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575652580 + 1575652581.

It is an arithmetic number, because the mean of its divisors is an integer number (1575652581).

Almost surely, 23151305161 is an apocalyptic number.

It is an amenable number.

3151305161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3151305161 is an equidigital number, since it uses as much as digits as its factorization.

3151305161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 3151305161 is about 56136.4868957793. The cubic root of 3151305161 is about 1466.0996393213.

Adding to 3151305161 its reverse (1615031513), we get a palindrome (4766336674).

The spelling of 3151305161 in words is "three billion, one hundred fifty-one million, three hundred five thousand, one hundred sixty-one".