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1431230101 = 7204461443
BaseRepresentation
bin101010101001110…
…1101011010010101
310200202010000121021
41111103231122111
510412343330401
6354004121141
750316153340
oct12523553225
93622100537
101431230101
1167498a3a4
1233b3961b1
1319a694622
14d8121457
15859b32a1
hex554ed695

1431230101 has 4 divisors (see below), whose sum is σ = 1635691552. Its totient is φ = 1226768652.

The previous prime is 1431230071. The next prime is 1431230137. The reversal of 1431230101 is 1010321341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1431230101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431230161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102230715 + ... + 102230728.

It is an arithmetic number, because the mean of its divisors is an integer number (408922888).

Almost surely, 21431230101 is an apocalyptic number.

It is an amenable number.

1431230101 is a deficient number, since it is larger than the sum of its proper divisors (204461451).

1431230101 is an equidigital number, since it uses as much as digits as its factorization.

1431230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204461450.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1431230101 is about 37831.6018825532. The cubic root of 1431230101 is about 1126.9461231067.

Adding to 1431230101 its reverse (1010321341), we get a palindrome (2441551442).

The spelling of 1431230101 in words is "one billion, four hundred thirty-one million, two hundred thirty thousand, one hundred one".

Divisors: 1 7 204461443 1431230101