3213143303 has 4 divisors (see below), whose sum is σ = 3213337608. Its totient is φ = 3212949000.

The previous prime is 3213143299. The next prime is 3213143387. The reversal of 3213143303 is 3033413123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3213143303 - 2² = 3213143299 is a prime.

It is a super-2 number, since 2×3213143303² = 20648579771227499618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213145303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69776 + ... + 106277.

It is an arithmetic number, because the mean of its divisors is an integer number (803334402).

Almost surely, 2^3213143303 is an apocalyptic number.

3213143303 is a deficient number, since it is larger than the sum of its proper divisors (194305).

3213143303 is a wasteful number, since it uses less digits than its factorization.

3213143303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194304.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 3213143303 is about 56684.5949354849. The cubic root of 3213143303 is about 1475.6273578353.

Adding to 3213143303 its reverse (3033413123), we get a palindrome (6246556426).

The spelling of 3213143303 in words is "three billion, two hundred thirteen million, one hundred forty-three thousand, three hundred three".