Search a number
-
+
3161421173 is a prime number
BaseRepresentation
bin1011110001101111…
…0111010101110101
322011022202211120002
42330123313111311
522433310434143
61241412121045
7141225431231
oct27433672565
98138684502
103161421173
1113825a3579
12742906185
133b4c81b21
1421dc255c1
1513782c5b8
hexbc6f7575

3161421173 has 2 divisors, whose sum is σ = 3161421174. Its totient is φ = 3161421172.

The previous prime is 3161421149. The next prime is 3161421181. The reversal of 3161421173 is 3711241613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1843585969 + 1317835204 = 42937^2 + 36302^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161421173 - 28 = 3161420917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3161421073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580710586 + 1580710587.

It is an arithmetic number, because the mean of its divisors is an integer number (1580710587).

Almost surely, 23161421173 is an apocalyptic number.

It is an amenable number.

3161421173 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161421173 is an equidigital number, since it uses as much as digits as its factorization.

3161421173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 3161421173 is about 56226.5166358365. The cubic root of 3161421173 is about 1467.6667402807. Note that the first 3 decimals are identical.

Adding to 3161421173 its reverse (3711241613), we get a palindrome (6872662786).

The spelling of 3161421173 in words is "three billion, one hundred sixty-one million, four hundred twenty-one thousand, one hundred seventy-three".