1431075382405 has 4 divisors (see below), whose sum is σ = 1717290458892. Its totient is φ = 1144860305920.

The previous prime is 1431075382393. The next prime is 1431075382427. The reversal of 1431075382405 is 5042835701341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 657043178724 + 774032203681 = 810582^2 + 879791^2 .

It is not a de Polignac number, because 1431075382405 - 2¹⁵ = 1431075349637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143107538236 + ... + 143107538245.

It is an arithmetic number, because the mean of its divisors is an integer number (429322614723).

Almost surely, 2^{1431075382405} is an apocalyptic number.

It is an amenable number.

1431075382405 is a deficient number, since it is larger than the sum of its proper divisors (286215076487).

1431075382405 is an equidigital number, since it uses as much as digits as its factorization.

1431075382405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286215076486.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 1431075382405 in words is "one trillion, four hundred thirty-one billion, seventy-five million, three hundred eighty-two thousand, four hundred five".