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1310539213 is a prime number
BaseRepresentation
bin100111000011101…
…0011110111001101
310101100000021211101
41032013103313031
510140444223323
6334013223101
744322254014
oct11607236715
93340007741
101310539213
11612846565
12306a91a91
1317b6880b9
14c60a5a7b
157a0c2dad
hex4e1d3dcd

1310539213 has 2 divisors, whose sum is σ = 1310539214. Its totient is φ = 1310539212.

The previous prime is 1310539199. The next prime is 1310539247. The reversal of 1310539213 is 3129350131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1251602884 + 58936329 = 35378^2 + 7677^2 .

It is an emirp because it is prime and its reverse (3129350131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1310539213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310539283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655269606 + 655269607.

It is an arithmetic number, because the mean of its divisors is an integer number (655269607).

Almost surely, 21310539213 is an apocalyptic number.

It is an amenable number.

1310539213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310539213 is an equidigital number, since it uses as much as digits as its factorization.

1310539213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 1310539213 is about 36201.3703193677. The cubic root of 1310539213 is about 1094.3342875730.

Adding to 1310539213 its reverse (3129350131), we get a palindrome (4439889344).

The spelling of 1310539213 in words is "one billion, three hundred ten million, five hundred thirty-nine thousand, two hundred thirteen".