1081431704 has 8 divisors (see below), whose sum is σ = 2027684460. Its totient is φ = 540715848.

The previous prime is 1081431679. The next prime is 1081431707. The reversal of 1081431704 is 4071341801.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081431707) 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 as a sum of consecutive naturals, namely, 67589474 + ... + 67589489.

Almost surely, 2^1081431704 is an apocalyptic number.

It is an amenable number.

1081431704 is a deficient number, since it is larger than the sum of its proper divisors (946252756).

1081431704 is a wasteful number, since it uses less digits than its factorization.

1081431704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135178969 (or 135178965 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1081431704 is about 32885.1289187073. The cubic root of 1081431704 is about 1026.4387343741.

The spelling of 1081431704 in words is "one billion, eighty-one million, four hundred thirty-one thousand, seven hundred four".