1230333213 has 16 divisors (see below), whose sum is σ = 1685857536. Its totient is φ = 797544000.

The previous prime is 1230333211. The next prime is 1230333229. The reversal of 1230333213 is 3123330321.

It is not a de Polignac number, because 1230333213 - 2¹ = 1230333211 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230333213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230333211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256588 + ... + 261338.

It is an arithmetic number, because the mean of its divisors is an integer number (105366096).

Almost surely, 2^1230333213 is an apocalyptic number.

It is an amenable number.

1230333213 is a deficient number, since it is larger than the sum of its proper divisors (455524323).

1230333213 is a wasteful number, since it uses less digits than its factorization.

1230333213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7124.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1230333213 is about 35076.1060124980. The cubic root of 1230333213 is about 1071.5380138440.

Adding to 1230333213 its reverse (3123330321), we get a palindrome (4353663534).

The spelling of 1230333213 in words is "one billion, two hundred thirty million, three hundred thirty-three thousand, two hundred thirteen".