1431971120 has 20 divisors (see below), whose sum is σ = 3329333040. Its totient is φ = 572788416.

The previous prime is 1431971113. The next prime is 1431971131. The reversal of 1431971120 is 211791341.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8949740 + ... + 8949899.

It is an arithmetic number, because the mean of its divisors is an integer number (166466652).

Almost surely, 2^1431971120 is an apocalyptic number.

1431971120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431971120 is an abundant number, since it is smaller than the sum of its proper divisors (1897361920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431971120 is a wasteful number, since it uses less digits than its factorization.

1431971120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17899652 (or 17899646 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1431971120 is about 37841.3942660679. The cubic root of 1431971120 is about 1127.1405815677.

The spelling of 1431971120 in words is "one billion, four hundred thirty-one million, nine hundred seventy-one thousand, one hundred twenty".