1312033130 has 16 divisors (see below), whose sum is σ = 2362072104. Its totient is φ = 524721600.

The previous prime is 1312033013. The next prime is 1312033139. The reversal of 1312033130 is 313302131.

It can be written as a sum of positive squares in 4 ways, for example, as 886312441 + 425720689 = 29771^2 + 20633^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1312033099 and 1312033108.

It is not an unprimeable number, because it can be changed into a prime (1312033139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106280 + ... + 117980.

Almost surely, 2^1312033130 is an apocalyptic number.

1312033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312033130 is a deficient number, since it is larger than the sum of its proper divisors (1050038974).

1312033130 is a wasteful number, since it uses less digits than its factorization.

1312033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22921.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1312033130 is about 36221.9978742200. The cubic root of 1312033130 is about 1094.7499495062.

Adding to 1312033130 its reverse (313302131), we get a palindrome (1625335261).

The spelling of 1312033130 in words is "one billion, three hundred twelve million, thirty-three thousand, one hundred thirty".