1304431112 has 8 divisors (see below), whose sum is σ = 2445808350. Its totient is φ = 652215552.

The previous prime is 1304431109. The next prime is 1304431127. The reversal of 1304431112 is 2111344031.

It can be written as a sum of positive squares in only one way, i.e., 676728196 + 627702916 = 26014^2 + 25054^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81526937 + ... + 81526952.

Almost surely, 2^1304431112 is an apocalyptic number.

It is an amenable number.

1304431112 is a deficient number, since it is larger than the sum of its proper divisors (1141377238).

1304431112 is a wasteful number, since it uses less digits than its factorization.

1304431112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163053895 (or 163053891 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1304431112 is about 36116.9089485797. The cubic root of 1304431112 is about 1092.6314983964.

Adding to 1304431112 its reverse (2111344031), we get a palindrome (3415775143).

The spelling of 1304431112 in words is "one billion, three hundred four million, four hundred thirty-one thousand, one hundred twelve".