1213130330 has 16 divisors (see below), whose sum is σ = 2185072200. Its totient is φ = 484932672.

The previous prime is 1213130327. The next prime is 1213130333. The reversal of 1213130330 is 330313121.

It is an interprime number because it is at equal distance from previous prime (1213130327) and next prime (1213130333).

It can be written as a sum of positive squares in 4 ways, for example, as 890604649 + 322525681 = 29843^2 + 17959^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1213130299 and 1213130308.

It is not an unprimeable number, because it can be changed into a prime (1213130333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23669 + ... + 54648.

Almost surely, 2^1213130330 is an apocalyptic number.

1213130330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213130330 is a deficient number, since it is larger than the sum of its proper divisors (971941870).

1213130330 is a wasteful number, since it uses less digits than its factorization.

1213130330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79873.

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

The square root of 1213130330 is about 34830.0205282742. The cubic root of 1213130330 is about 1066.5203674135.

Adding to 1213130330 its reverse (330313121), we get a palindrome (1543443451).

The spelling of 1213130330 in words is "one billion, two hundred thirteen million, one hundred thirty thousand, three hundred thirty".