1431340011 has 16 divisors (see below), whose sum is σ = 2169819520. Its totient is φ = 932034600.

The previous prime is 1431339991. The next prime is 1431340013. The reversal of 1431340011 is 1100431341.

It is not a de Polignac number, because 1431340011 - 2⁷ = 1431339883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431340013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615265 + ... + 617586.

It is an arithmetic number, because the mean of its divisors is an integer number (135613720).

Almost surely, 2^1431340011 is an apocalyptic number.

1431340011 is a deficient number, since it is larger than the sum of its proper divisors (738479509).

1431340011 is a wasteful number, since it uses less digits than its factorization.

1431340011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232903 (or 1232897 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1431340011 is about 37833.0544762117. The cubic root of 1431340011 is about 1126.9749699655.

Adding to 1431340011 its reverse (1100431341), we get a palindrome (2531771352).

The spelling of 1431340011 in words is "one billion, four hundred thirty-one million, three hundred forty thousand, eleven".