1233013321 has 2 divisors, whose sum is σ = 1233013322. Its totient is φ = 1233013320.

The previous prime is 1233013283. The next prime is 1233013339. The reversal of 1233013321 is 1233103321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1182603321 + 50410000 = 34389^2 + 7100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233013321 - 2²⁵ = 1199458889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233013361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616506660 + 616506661.

It is an arithmetic number, because the mean of its divisors is an integer number (616506661).

Almost surely, 2^1233013321 is an apocalyptic number.

It is an amenable number.

1233013321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233013321 is an equidigital number, since it uses as much as digits as its factorization.

1233013321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1233013321 is about 35114.2894132859. The cubic root of 1233013321 is about 1072.3155145499.

Adding to 1233013321 its reverse (1233103321), we get a palindrome (2466116642).

Subtracting 1233013321 from its reverse (1233103321), we obtain a square (90000 = 300²).

It can be divided in two parts, 12330 and 13321, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 1233013321 in words is "one billion, two hundred thirty-three million, thirteen thousand, three hundred twenty-one".