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1431040001 = 2892149481
BaseRepresentation
bin101010101001011…
…1111000000000001
310200201202100211112
41111102333000001
510412321240001
6354000053105
750314432166
oct12522770001
93621670745
101431040001
1167486a596
1233b304195
1319a628c41
14d80b206d
1585976cbb
hex554bf001

1431040001 has 4 divisors (see below), whose sum is σ = 1431118404. Its totient is φ = 1430961600.

The previous prime is 1431039983. The next prime is 1431040019. The reversal of 1431040001 is 1000401341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1431039983) and next prime (1431040019).

It can be written as a sum of positive squares in 2 ways, for example, as 602751601 + 828288400 = 24551^2 + 28780^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431040001 - 218 = 1430777857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431040031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4181 + ... + 53661.

It is an arithmetic number, because the mean of its divisors is an integer number (357779601).

Almost surely, 21431040001 is an apocalyptic number.

It is an amenable number.

1431040001 is a deficient number, since it is larger than the sum of its proper divisors (78403).

1431040001 is an equidigital number, since it uses as much as digits as its factorization.

1431040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78402.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1431040001 is about 37829.0893493354. The cubic root of 1431040001 is about 1126.8962261815.

Adding to 1431040001 its reverse (1000401341), we get a palindrome (2431441342).

The spelling of 1431040001 in words is "one billion, four hundred thirty-one million, forty thousand, one".

Divisors: 1 28921 49481 1431040001