1431141065 has 4 divisors (see below), whose sum is σ = 1717369284. Its totient is φ = 1144912848.

The previous prime is 1431141001. The next prime is 1431141077. The reversal of 1431141065 is 5601411341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5601411341 = 1747 ⋅3206303.

It can be written as a sum of positive squares in 2 ways, for example, as 725548096 + 705592969 = 26936^2 + 26563^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431141065 - 2⁶ = 1431141001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 143114102 + ... + 143114111.

It is an arithmetic number, because the mean of its divisors is an integer number (429342321).

Almost surely, 2^1431141065 is an apocalyptic number.

It is an amenable number.

1431141065 is a deficient number, since it is larger than the sum of its proper divisors (286228219).

1431141065 is an equidigital number, since it uses as much as digits as its factorization.

1431141065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286228218.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1431141065 is about 37830.4251231730. The cubic root of 1431141065 is about 1126.9227537324.

The spelling of 1431141065 in words is "one billion, four hundred thirty-one million, one hundred forty-one thousand, sixty-five".