1431428743 has 8 divisors (see below), whose sum is σ = 1450320768. Its totient is φ = 1412646144.

The previous prime is 1431428693. The next prime is 1431428753. The reversal of 1431428743 is 3478241341.

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 1431428743 - 2²⁹ = 894557831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431428753) 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 7 ways as a sum of consecutive naturals, for example, 855 + ... + 53512.

It is an arithmetic number, because the mean of its divisors is an integer number (181290096).

Almost surely, 2^1431428743 is an apocalyptic number.

1431428743 is a deficient number, since it is larger than the sum of its proper divisors (18892025).

1431428743 is a wasteful number, since it uses less digits than its factorization.

1431428743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54713.

The product of its digits is 64512, while the sum is 37.

The square root of 1431428743 is about 37834.2271362849. The cubic root of 1431428743 is about 1126.9982573922.

The spelling of 1431428743 in words is "one billion, four hundred thirty-one million, four hundred twenty-eight thousand, seven hundred forty-three".