1431732897 has 48 divisors (see below), whose sum is σ = 2493736960. Its totient is φ = 773253216.

The previous prime is 1431732853. The next prime is 1431732919. The reversal of 1431732897 is 7982371341.

1431732897 is a `hidden beast` number, since 1 + 4 + 317 + 328 + 9 + 7 = 666.

It is not a de Polignac number, because 1431732897 - 2⁸ = 1431732641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431732817) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 624888 + ... + 627174.

Almost surely, 2^1431732897 is an apocalyptic number.

It is an amenable number.

1431732897 is a deficient number, since it is larger than the sum of its proper divisors (1062004063).

1431732897 is a wasteful number, since it uses less digits than its factorization.

1431732897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842 (or 2839 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 1431732897 is about 37838.2464842122. The cubic root of 1431732897 is about 1127.0780743243.

It can be divided in two parts, 143173 and 2897, that added together give a triangular number (146070 = T₅₄₀).

The spelling of 1431732897 in words is "one billion, four hundred thirty-one million, seven hundred thirty-two thousand, eight hundred ninety-seven".