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1300230213 = 3433410071
BaseRepresentation
bin100110101111111…
…1111000001000101
310100121121112112120
41031133333001011
510130324331323
6333004240153
744135526432
oct11537770105
93317545476
101300230213
11607a45227
12303540059
131794b89b9
14c4980b89
15792385e3
hex4d7ff045

1300230213 has 4 divisors (see below), whose sum is σ = 1733640288. Its totient is φ = 866820140.

The previous prime is 1300230187. The next prime is 1300230247. The reversal of 1300230213 is 3120320031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3120320031 = 31040106677.

It is a cyclic number.

It is not a de Polignac number, because 1300230213 - 212 = 1300226117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1300230192 and 1300230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300240213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216705033 + ... + 216705038.

It is an arithmetic number, because the mean of its divisors is an integer number (433410072).

Almost surely, 21300230213 is an apocalyptic number.

It is an amenable number.

1300230213 is a deficient number, since it is larger than the sum of its proper divisors (433410075).

1300230213 is an equidigital number, since it uses as much as digits as its factorization.

1300230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433410074.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1300230213 is about 36058.7050932226. The cubic root of 1300230213 is about 1091.4573030611.

Adding to 1300230213 its reverse (3120320031), we get a palindrome (4420550244).

The spelling of 1300230213 in words is "one billion, three hundred million, two hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 433410071 1300230213