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1312124207 is a prime number
BaseRepresentation
bin100111000110101…
…0110110100101111
310101102222211000212
41032031112310233
510141400433312
6334111213035
744341605002
oct11615266457
93342884025
101312124207
11613729379
1230751717b
1317bac1674
14c6399539
157a2d7822
hex4e356d2f

1312124207 has 2 divisors, whose sum is σ = 1312124208. Its totient is φ = 1312124206.

The previous prime is 1312124183. The next prime is 1312124251. The reversal of 1312124207 is 7024212131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312124207 - 224 = 1295346991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312124267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656062103 + 656062104.

It is an arithmetic number, because the mean of its divisors is an integer number (656062104).

Almost surely, 21312124207 is an apocalyptic number.

1312124207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312124207 is an equidigital number, since it uses as much as digits as its factorization.

1312124207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1312124207 is about 36223.2550580425. The cubic root of 1312124207 is about 1094.7752802269.

Adding to 1312124207 its reverse (7024212131), we get a palindrome (8336336338).

The spelling of 1312124207 in words is "one billion, three hundred twelve million, one hundred twenty-four thousand, two hundred seven".