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1344000431 is a prime number
BaseRepresentation
bin101000000011011…
…1101000110101111
310110122222021222202
41100012331012233
510223031003211
6341210332115
745206546414
oct12006750657
93418867882
101344000431
1162a720464
1231612a03b
131855a2637
14ca6d610b
157ced253b
hex501bd1af

1344000431 has 2 divisors, whose sum is σ = 1344000432. Its totient is φ = 1344000430.

The previous prime is 1344000419. The next prime is 1344000451. The reversal of 1344000431 is 1340004431.

It is a happy number.

It is an a-pointer prime, because the next prime (1344000451) can be obtained adding 1344000431 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344000431 - 26 = 1344000367 is a prime.

It is a super-2 number, since 2×13440004312 = 3612674317056371522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344000401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672000215 + 672000216.

It is an arithmetic number, because the mean of its divisors is an integer number (672000216).

Almost surely, 21344000431 is an apocalyptic number.

1344000431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344000431 is an equidigital number, since it uses as much as digits as its factorization.

1344000431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1344000431 is about 36660.6114378907. The cubic root of 1344000431 is about 1103.5697885183.

Adding to 1344000431 its reverse (1340004431), we get a palindrome (2684004862).

It can be divided in two parts, 1344000 and 431, that added together give a palindrome (1344431).

The spelling of 1344000431 in words is "one billion, three hundred forty-four million, four hundred thirty-one", and thus it is an aban number.