1304344031 has 4 divisors (see below), whose sum is σ = 1316310600. Its totient is φ = 1292377464.

The previous prime is 1304344021. The next prime is 1304344037. The reversal of 1304344031 is 1304434031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1304344031 - 2¹⁸ = 1304081887 is a prime.

It is a super-2 number, since 2×1304344031² = 3402626702410657922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304343988 and 1304344006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304344037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5983121 + ... + 5983338.

It is an arithmetic number, because the mean of its divisors is an integer number (329077650).

Almost surely, 2^1304344031 is an apocalyptic number.

1304344031 is a deficient number, since it is larger than the sum of its proper divisors (11966569).

1304344031 is a wasteful number, since it uses less digits than its factorization.

1304344031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11966568.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1304344031 is about 36115.7033850928. The cubic root of 1304344031 is about 1092.6071839501.

Adding to 1304344031 its reverse (1304434031), we get a palindrome (2608778062).

Subtracting 1304344031 from its reverse (1304434031), we obtain a square (90000 = 300²).

The spelling of 1304344031 in words is "one billion, three hundred four million, three hundred forty-four thousand, thirty-one".