1431213505 has 8 divisors (see below), whose sum is σ = 1757397312. Its totient is φ = 1118343408.

The previous prime is 1431213467. The next prime is 1431213529. The reversal of 1431213505 is 5053121341.

It is a happy number.

1431213505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1431213505 - 2¹³ = 1431205313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431213505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3328189 + ... + 3328618.

It is an arithmetic number, because the mean of its divisors is an integer number (219674664).

Almost surely, 2^1431213505 is an apocalyptic number.

It is an amenable number.

1431213505 is a deficient number, since it is larger than the sum of its proper divisors (326183807).

1431213505 is an equidigital number, since it uses as much as digits as its factorization.

1431213505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656855.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1431213505 is about 37831.3825414827. The cubic root of 1431213505 is about 1126.9417672103.

Adding to 1431213505 its reverse (5053121341), we get a palindrome (6484334846).

The spelling of 1431213505 in words is "one billion, four hundred thirty-one million, two hundred thirteen thousand, five hundred five".