3213103666538 has 8 divisors (see below), whose sum is σ = 4822151443200. Its totient is φ = 1605719852140.

The previous prime is 3213103666523. The next prime is 3213103666541. The reversal of 3213103666538 is 8356663013123.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 3213103666492 and 3213103666501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415985738 + ... + 415993461.

It is an arithmetic number, because the mean of its divisors is an integer number (602768930400).

Almost surely, 2^{3213103666538} is an apocalyptic number.

3213103666538 is a deficient number, since it is larger than the sum of its proper divisors (1609047776662).

3213103666538 is a wasteful number, since it uses less digits than its factorization.

3213103666538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831981132.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 3213103666538 in words is "three trillion, two hundred thirteen billion, one hundred three million, six hundred sixty-six thousand, five hundred thirty-eight".