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3144425521 is a prime number
BaseRepresentation
bin1011101101101100…
…0010000000110001
322010010210100220111
42323123002000301
522414433104041
61240003541321
7140631114226
oct27333020061
98103710814
103144425521
111373a45486
1273908a841
133b15b1023
1421b87d94d
151360c1981
hexbb6c2031

3144425521 has 2 divisors, whose sum is σ = 3144425522. Its totient is φ = 3144425520.

The previous prime is 3144425497. The next prime is 3144425533. The reversal of 3144425521 is 1255244413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1913187600 + 1231237921 = 43740^2 + 35089^2 .

It is an emirp because it is prime and its reverse (1255244413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3144425521 - 211 = 3144423473 is a prime.

It is a super-2 number, since 2×31444255212 = 19774823714232242882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3144422521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572212760 + 1572212761.

It is an arithmetic number, because the mean of its divisors is an integer number (1572212761).

Almost surely, 23144425521 is an apocalyptic number.

It is an amenable number.

3144425521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144425521 is an equidigital number, since it uses as much as digits as its factorization.

3144425521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The square root of 3144425521 is about 56075.1774049802. The cubic root of 3144425521 is about 1465.0319773099.

Adding to 3144425521 its reverse (1255244413), we get a palindrome (4399669934).

It can be divided in two parts, 31444 and 25521, that added together give a palindrome (56965).

The spelling of 3144425521 in words is "three billion, one hundred forty-four million, four hundred twenty-five thousand, five hundred twenty-one".