1311304130 has 16 divisors (see below), whose sum is σ = 2361243960. Its totient is φ = 524322432.

The previous prime is 1311304121. The next prime is 1311304147. The reversal of 1311304130 is 314031131.

It can be written as a sum of positive squares in 4 ways, for example, as 1299818809 + 11485321 = 36053^2 + 3389^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1311304099 and 1311304108.

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, 4382 + ... + 51398.

Almost surely, 2^1311304130 is an apocalyptic number.

1311304130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311304130 is a deficient number, since it is larger than the sum of its proper divisors (1049939830).

1311304130 is a wasteful number, since it uses less digits than its factorization.

1311304130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49813.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1311304130 is about 36211.9335302604. The cubic root of 1311304130 is about 1094.5471546858.

Adding to 1311304130 its reverse (314031131), we get a palindrome (1625335261).

The spelling of 1311304130 in words is "one billion, three hundred eleven million, three hundred four thousand, one hundred thirty".