1310304120 has 32 divisors (see below), whose sum is σ = 3930912720. Its totient is φ = 349414400.

The previous prime is 1310304109. The next prime is 1310304139. The reversal of 1310304120 is 214030131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1310304120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5459481 + ... + 5459720.

Almost surely, 2^1310304120 is an apocalyptic number.

1310304120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310304120 is an abundant number, since it is smaller than the sum of its proper divisors (2620608600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310304120 is a wasteful number, since it uses less digits than its factorization.

1310304120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10919215 (or 10919211 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1310304120 is about 36198.1231557660. The cubic root of 1310304120 is about 1094.2688474058.

Adding to 1310304120 its reverse (214030131), we get a palindrome (1524334251).

The spelling of 1310304120 in words is "one billion, three hundred ten million, three hundred four thousand, one hundred twenty".