1312130030 has 16 divisors (see below), whose sum is σ = 2362256784. Its totient is φ = 524758080.

The previous prime is 1312129933. The next prime is 1312130033. The reversal of 1312130030 is 300312131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1312129987 and 1312130014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312130033) by changing a digit.

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, 84449 + ... + 98771.

It is an arithmetic number, because the mean of its divisors is an integer number (147641049).

Almost surely, 2^1312130030 is an apocalyptic number.

1312130030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312130030 is a deficient number, since it is larger than the sum of its proper divisors (1050126754).

1312130030 is a wasteful number, since it uses less digits than its factorization.

1312130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23491.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1312130030 is about 36223.3354344958. The cubic root of 1312130030 is about 1094.7768997044.

Adding to 1312130030 its reverse (300312131), we get a palindrome (1612442161).

The spelling of 1312130030 in words is "one billion, three hundred twelve million, one hundred thirty thousand, thirty".