1303223213 has 8 divisors (see below), whose sum is σ = 1417178232. Its totient is φ = 1193412096.

The previous prime is 1303223209. The next prime is 1303223219. The reversal of 1303223213 is 3123223031.

It can be written as a sum of positive squares in 4 ways, for example, as 1026433444 + 276789769 = 32038^2 + 16637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303223213 - 2² = 1303223209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303223219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1035320 + ... + 1036577.

It is an arithmetic number, because the mean of its divisors is an integer number (177147279).

Almost surely, 2^1303223213 is an apocalyptic number.

It is an amenable number.

1303223213 is a deficient number, since it is larger than the sum of its proper divisors (113955019).

1303223213 is a wasteful number, since it uses less digits than its factorization.

1303223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071951.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1303223213 is about 36100.1830050763. The cubic root of 1303223213 is about 1092.2941364959.

Adding to 1303223213 its reverse (3123223031), we get a palindrome (4426446244).

The spelling of 1303223213 in words is "one billion, three hundred three million, two hundred twenty-three thousand, two hundred thirteen".