1304040310 has 16 divisors (see below), whose sum is σ = 2385753552. Its totient is φ = 513064800.

The previous prime is 1304040293. The next prime is 1304040337. The reversal of 1304040310 is 130404031.

It is a super-2 number, since 2×1304040310² = 3401042260209792200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068276 + ... + 1069495.

It is an arithmetic number, because the mean of its divisors is an integer number (149109597).

Almost surely, 2^1304040310 is an apocalyptic number.

1304040310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304040310 is a deficient number, since it is larger than the sum of its proper divisors (1081713242).

1304040310 is a wasteful number, since it uses less digits than its factorization.

1304040310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137839.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1304040310 is about 36111.4983073259. The cubic root of 1304040310 is about 1092.5223715848.

Adding to 1304040310 its reverse (130404031), we get a palindrome (1434444341).

The spelling of 1304040310 in words is "one billion, three hundred four million, forty thousand, three hundred ten".