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1312334407 is a prime number
BaseRepresentation
bin100111000111000…
…1010001001000111
310101110101111101001
41032032022021013
510141424200112
6334115514131
744343441556
oct11616121107
93343344331
101312334407
1161386229a
123075b8947
1317bb66247
14c6411d9d
157a329c57
hex4e38a247

1312334407 has 2 divisors, whose sum is σ = 1312334408. Its totient is φ = 1312334406.

The previous prime is 1312334399. The next prime is 1312334449. The reversal of 1312334407 is 7044332131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312334407 - 23 = 1312334399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312334467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656167203 + 656167204.

It is an arithmetic number, because the mean of its divisors is an integer number (656167204).

Almost surely, 21312334407 is an apocalyptic number.

1312334407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312334407 is an equidigital number, since it uses as much as digits as its factorization.

1312334407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1312334407 is about 36226.1563928607. The cubic root of 1312334407 is about 1094.8337374663.

Adding to 1312334407 its reverse (7044332131), we get a palindrome (8356666538).

The spelling of 1312334407 in words is "one billion, three hundred twelve million, three hundred thirty-four thousand, four hundred seven".