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1431320001 = 3761626947
BaseRepresentation
bin101010101010000…
…0011010111000001
310200202021120220220
41111110003113001
510412404220001
6354010053253
750320006416
oct12524032701
93622246826
101431320001
11674a409a1
1233b41a229
1319a6c6517
14d814610d
15859cec36
hex555035c1

1431320001 has 8 divisors (see below), whose sum is σ = 1910937504. Its totient is φ = 952957920.

The previous prime is 1431319997. The next prime is 1431320021. The reversal of 1431320001 is 1000231341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1431320001 - 22 = 1431319997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1431320021) 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 7 ways as a sum of consecutive naturals, for example, 311191 + ... + 315756.

It is an arithmetic number, because the mean of its divisors is an integer number (238867188).

Almost surely, 21431320001 is an apocalyptic number.

It is an amenable number.

1431320001 is a deficient number, since it is larger than the sum of its proper divisors (479617503).

1431320001 is an equidigital number, since it uses as much as digits as its factorization.

1431320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627711.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1431320001 is about 37832.7900239990. The cubic root of 1431320001 is about 1126.9697182726.

Adding to 1431320001 its reverse (1000231341), we get a palindrome (2431551342).

The spelling of 1431320001 in words is "one billion, four hundred thirty-one million, three hundred twenty thousand, one".

Divisors: 1 3 761 2283 626947 1880841 477106667 1431320001