1431040551 has 16 divisors (see below), whose sum is σ = 1927864800. Its totient is φ = 944168960.

The previous prime is 1431040529. The next prime is 1431040561. The reversal of 1431040551 is 1550401341.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1431040551 - 2¹⁷ = 1430909479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431040561) 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 15 ways as a sum of consecutive naturals, for example, 119911 + ... + 131303.

It is an arithmetic number, because the mean of its divisors is an integer number (120491550).

Almost surely, 2^1431040551 is an apocalyptic number.

1431040551 is a deficient number, since it is larger than the sum of its proper divisors (496824249).

1431040551 is a wasteful number, since it uses less digits than its factorization.

1431040551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11826.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1431040551 is about 37829.0966188726. The cubic root of 1431040551 is about 1126.8963705504.

Adding to 1431040551 its reverse (1550401341), we get a palindrome (2981441892).

The spelling of 1431040551 in words is "one billion, four hundred thirty-one million, forty thousand, five hundred fifty-one".