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1145431327 is a prime number
BaseRepresentation
bin100010001000101…
…1110010100011111
32221211022221101111
41010101132110133
54321212300302
6305354322451
740246001635
oct10421362437
92854287344
101145431327
11538625567
1227b729427
131533c9721
14ac1a7355
156a85c0d7
hex4445e51f

1145431327 has 2 divisors, whose sum is σ = 1145431328. Its totient is φ = 1145431326.

The previous prime is 1145431319. The next prime is 1145431333. The reversal of 1145431327 is 7231345411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1145431327 - 23 = 1145431319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145431367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572715663 + 572715664.

It is an arithmetic number, because the mean of its divisors is an integer number (572715664).

Almost surely, 21145431327 is an apocalyptic number.

1145431327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145431327 is an equidigital number, since it uses as much as digits as its factorization.

1145431327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 1145431327 is about 33844.2214713236. The cubic root of 1145431327 is about 1046.3003057497.

Adding to 1145431327 its reverse (7231345411), we get a palindrome (8376776738).

The spelling of 1145431327 in words is "one billion, one hundred forty-five million, four hundred thirty-one thousand, three hundred twenty-seven".