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1361002213 is a prime number
BaseRepresentation
bin101000100011111…
…0011111011100101
310111211222002001101
41101013303323211
510241404032323
6343015000101
745504220324
oct12107637345
93454862041
101361002213
1163928311a
1231b969031
13188c7616c
14cca800bb
157e73edad
hex511f3ee5

1361002213 has 2 divisors, whose sum is σ = 1361002214. Its totient is φ = 1361002212.

The previous prime is 1361002157. The next prime is 1361002249. The reversal of 1361002213 is 3122001631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992439009 + 368563204 = 31503^2 + 19198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1361002213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361002273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680501106 + 680501107.

It is an arithmetic number, because the mean of its divisors is an integer number (680501107).

Almost surely, 21361002213 is an apocalyptic number.

It is an amenable number.

1361002213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361002213 is an equidigital number, since it uses as much as digits as its factorization.

1361002213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1361002213 is about 36891.7634845503. The cubic root of 1361002213 is about 1108.2037373461.

Adding to 1361002213 its reverse (3122001631), we get a palindrome (4483003844).

The spelling of 1361002213 in words is "one billion, three hundred sixty-one million, two thousand, two hundred thirteen".