1331210213 has 8 divisors (see below), whose sum is σ = 1346030400. Its totient is φ = 1316426688.

The previous prime is 1331210197. The next prime is 1331210239. The reversal of 1331210213 is 3120121331.

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 1331210213 - 2⁴ = 1331210197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331210191 and 1331210200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331215213) 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, 67373 + ... + 84861.

It is an arithmetic number, because the mean of its divisors is an integer number (168253800).

Almost surely, 2^1331210213 is an apocalyptic number.

It is an amenable number.

1331210213 is a deficient number, since it is larger than the sum of its proper divisors (14820187).

1331210213 is a wasteful number, since it uses less digits than its factorization.

1331210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18331.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1331210213 is about 36485.7535621782. The cubic root of 1331210213 is about 1100.0579068689.

Adding to 1331210213 its reverse (3120121331), we get a palindrome (4451331544).

The spelling of 1331210213 in words is "one billion, three hundred thirty-one million, two hundred ten thousand, two hundred thirteen".