1321033130 has 32 divisors (see below), whose sum is σ = 2404345680. Its totient is φ = 522547200.

The previous prime is 1321033123. The next prime is 1321033151. The reversal of 1321033130 is 313301231.

It can be written as a sum of positive squares in 8 ways, for example, as 1183979281 + 137053849 = 34409^2 + 11707^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1321033099 and 1321033108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824330 + ... + 825930.

Almost surely, 2^1321033130 is an apocalyptic number.

1321033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321033130 is a deficient number, since it is larger than the sum of its proper divisors (1083312550).

1321033130 is a wasteful number, since it uses less digits than its factorization.

1321033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474.

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

The square root of 1321033130 is about 36346.0194519290. The cubic root of 1321033130 is about 1097.2474236426.

Adding to 1321033130 its reverse (313301231), we get a palindrome (1634334361).

The spelling of 1321033130 in words is "one billion, three hundred twenty-one million, thirty-three thousand, one hundred thirty".