1331202320213 has 16 divisors (see below), whose sum is σ = 1350629769216. Its totient is φ = 1311904142640.

The previous prime is 1331202320183. The next prime is 1331202320243. The reversal of 1331202320213 is 3120232021331.

It is an interprime number because it is at equal distance from previous prime (1331202320183) and next prime (1331202320243).

It is a cyclic number.

It is not a de Polignac number, because 1331202320213 - 2¹⁰ = 1331202319189 is a prime.

It is a super-3 number, since 3×1331202320213³ (a number of 37 digits) contains 333 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 (1331202320243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78246878 + ... + 78263888.

It is an arithmetic number, because the mean of its divisors is an integer number (84414360576).

Almost surely, 2^{1331202320213} is an apocalyptic number.

It is an amenable number.

1331202320213 is a deficient number, since it is larger than the sum of its proper divisors (19427449003).

1331202320213 is a wasteful number, since it uses less digits than its factorization.

1331202320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20744.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1331202320213 its reverse (3120232021331), we get a palindrome (4451434341544).

The spelling of 1331202320213 in words is "one trillion, three hundred thirty-one billion, two hundred two million, three hundred twenty thousand, two hundred thirteen".