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1230341213 is a prime number
BaseRepresentation
bin100100101010101…
…1000010001011101
310011202002210212002
41021111120101131
510004431404323
6322030252045
742326504423
oct11125302135
93152083762
101230341213
1158154a622
122a4057025
13167b8886a
14b958b113
1573030828
hex4955845d

1230341213 has 2 divisors, whose sum is σ = 1230341214. Its totient is φ = 1230341212.

The previous prime is 1230341209. The next prime is 1230341249. The reversal of 1230341213 is 3121430321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1227661444 + 2679769 = 35038^2 + 1637^2 .

It is an emirp because it is prime and its reverse (3121430321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230341213 - 22 = 1230341209 is a prime.

It is a super-2 number, since 2×12303412132 = 3027479000812622738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230341293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615170606 + 615170607.

It is an arithmetic number, because the mean of its divisors is an integer number (615170607).

Almost surely, 21230341213 is an apocalyptic number.

It is an amenable number.

1230341213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230341213 is an equidigital number, since it uses as much as digits as its factorization.

1230341213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1230341213 is about 35076.2200500567. The cubic root of 1230341213 is about 1071.5403363274.

Adding to 1230341213 its reverse (3121430321), we get a palindrome (4351771534).

The spelling of 1230341213 in words is "one billion, two hundred thirty million, three hundred forty-one thousand, two hundred thirteen".