1304451431 has 8 divisors (see below), whose sum is σ = 1318480800. Its totient is φ = 1290448512.

The previous prime is 1304451359. The next prime is 1304451439. The reversal of 1304451431 is 1341544031.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304451431 is a prime.

It is a super-2 number, since 2×1304451431² = 3403187071675895522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304451431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304451439) 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, 102011 + ... + 114083.

It is an arithmetic number, because the mean of its divisors is an integer number (164810100).

Almost surely, 2^1304451431 is an apocalyptic number.

1304451431 is a deficient number, since it is larger than the sum of its proper divisors (14029369).

1304451431 is a wasteful number, since it uses less digits than its factorization.

1304451431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1304451431 is about 36117.1902423209. The cubic root of 1304451431 is about 1092.6371716395.

Adding to 1304451431 its reverse (1341544031), we get a palindrome (2645995462).

The spelling of 1304451431 in words is "one billion, three hundred four million, four hundred fifty-one thousand, four hundred thirty-one".