1304431441 has 8 divisors (see below), whose sum is σ = 1336759200. Its totient is φ = 1272128160.

The previous prime is 1304431439. The next prime is 1304431451. The reversal of 1304431441 is 1441344031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304431441 - 2¹ = 1304431439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304431421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150730 + ... + 159148.

It is an arithmetic number, because the mean of its divisors is an integer number (167094900).

Almost surely, 2^1304431441 is an apocalyptic number.

It is an amenable number.

1304431441 is a deficient number, since it is larger than the sum of its proper divisors (32327759).

1304431441 is an equidigital number, since it uses as much as digits as its factorization.

1304431441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12239.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1304431441 is about 36116.9135032328. The cubic root of 1304431441 is about 1092.6315902566.

Adding to 1304431441 its reverse (1441344031), we get a palindrome (2745775472).

The spelling of 1304431441 in words is "one billion, three hundred four million, four hundred thirty-one thousand, four hundred forty-one".