1431400312 has 16 divisors (see below), whose sum is σ = 2684295360. Its totient is φ = 715588224.

The previous prime is 1431400303. The next prime is 1431400339. The reversal of 1431400312 is 2130041341.

It is a self number, because there is not a number n which added to its sum of digits gives 1431400312.

It is a congruent 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, 70048 + ... + 88144.

It is an arithmetic number, because the mean of its divisors is an integer number (167768460).

Almost surely, 2^1431400312 is an apocalyptic number.

It is an amenable number.

1431400312 is a deficient number, since it is larger than the sum of its proper divisors (1252895048).

1431400312 is a wasteful number, since it uses less digits than its factorization.

1431400312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27990 (or 27986 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1431400312 is about 37833.8514032077. The cubic root of 1431400312 is about 1126.9907958729.

Adding to 1431400312 its reverse (2130041341), we get a palindrome (3561441653).

The spelling of 1431400312 in words is "one billion, four hundred thirty-one million, four hundred thousand, three hundred twelve".