1330211213 has 4 divisors (see below), whose sum is σ = 1335920508. Its totient is φ = 1324501920.

The previous prime is 1330211171. The next prime is 1330211221. The reversal of 1330211213 is 3121120331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 145612489 + 1184598724 = 12067^2 + 34418^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330211213 - 2¹⁸ = 1329949069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330211191 and 1330211200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330211273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854298 + ... + 2854763.

It is an arithmetic number, because the mean of its divisors is an integer number (333980127).

Almost surely, 2^1330211213 is an apocalyptic number.

It is an amenable number.

1330211213 is a deficient number, since it is larger than the sum of its proper divisors (5709295).

1330211213 is an equidigital number, since it uses as much as digits as its factorization.

1330211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709294.

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

The square root of 1330211213 is about 36472.0607177604. The cubic root of 1330211213 is about 1099.7826603663.

Adding to 1330211213 its reverse (3121120331), we get a palindrome (4451331544).

The spelling of 1330211213 in words is "one billion, three hundred thirty million, two hundred eleven thousand, two hundred thirteen".