Search a number
-
+
3031540546481 is a prime number
BaseRepresentation
bin101100000111010101111…
…001011011101110110001
3101201210221021101001022022
4230013111321123232301
5344132043334441411
610240400454521225
7432010254323066
oct54072571335661
911653837331268
103031540546481
11a6973a674117
1240b648966215
1318cb47112765
14a6a27b9ac6d
1553ccd725edb
hex2c1d5e5bbb1

3031540546481 has 2 divisors, whose sum is σ = 3031540546482. Its totient is φ = 3031540546480.

The previous prime is 3031540546439. The next prime is 3031540546519. The reversal of 3031540546481 is 1846450451303.

3031540546481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2741756430625 + 289784115856 = 1655825^2 + 538316^2 .

It is a cyclic number.

It is not a de Polignac number, because 3031540546481 - 210 = 3031540545457 is a prime.

It is a super-2 number, since 2×30315405464812 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3031540546421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515770273240 + 1515770273241.

It is an arithmetic number, because the mean of its divisors is an integer number (1515770273241).

Almost surely, 23031540546481 is an apocalyptic number.

It is an amenable number.

3031540546481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031540546481 is an equidigital number, since it uses as much as digits as its factorization.

3031540546481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 44.

Adding to 3031540546481 its reverse (1846450451303), we get a palindrome (4877990997784).

The spelling of 3031540546481 in words is "three trillion, thirty-one billion, five hundred forty million, five hundred forty-six thousand, four hundred eighty-one".