Search a number
-
+
1315039441 is a prime number
BaseRepresentation
bin100111001100001…
…1110100011010001
310101122110220222111
41032120132203101
510143122230231
6334253505321
744405436142
oct11630364321
93348426874
101315039441
1161533a661
123084a2241
1317c5a2561
14c6917ac9
157a6b14b1
hex4e61e8d1

1315039441 has 2 divisors, whose sum is σ = 1315039442. Its totient is φ = 1315039440.

The previous prime is 1315039417. The next prime is 1315039477. The reversal of 1315039441 is 1449305131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980003025 + 335036416 = 31305^2 + 18304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315039441 - 29 = 1315038929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315039541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657519720 + 657519721.

It is an arithmetic number, because the mean of its divisors is an integer number (657519721).

Almost surely, 21315039441 is an apocalyptic number.

It is an amenable number.

1315039441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315039441 is an equidigital number, since it uses as much as digits as its factorization.

1315039441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1315039441 is about 36263.4725446971. The cubic root of 1315039441 is about 1095.5854589703.

The spelling of 1315039441 in words is "one billion, three hundred fifteen million, thirty-nine thousand, four hundred forty-one".