1213010303 has 8 divisors (see below), whose sum is σ = 1232552496. Its totient is φ = 1193616000.

The previous prime is 1213010291. The next prime is 1213010339. The reversal of 1213010303 is 3030103121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213010303 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 (1213012303) 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, 20378 + ... + 53303.

It is an arithmetic number, because the mean of its divisors is an integer number (154069062).

Almost surely, 2^1213010303 is an apocalyptic number.

1213010303 is a deficient number, since it is larger than the sum of its proper divisors (19542193).

1213010303 is a wasteful number, since it uses less digits than its factorization.

1213010303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73945.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1213010303 is about 34828.2974461859. The cubic root of 1213010303 is about 1066.4851924453.

Adding to 1213010303 its reverse (3030103121), we get a palindrome (4243113424).

The spelling of 1213010303 in words is "one billion, two hundred thirteen million, ten thousand, three hundred three".