1331020032213 has 8 divisors (see below), whose sum is σ = 1774714288768. Its totient is φ = 887336231904.

The previous prime is 1331020032211. The next prime is 1331020032257. The reversal of 1331020032213 is 3122300201331.

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

It is not a de Polignac number, because 1331020032213 - 2¹ = 1331020032211 is a prime.

It is a super-2 number, since 2×1331020032213² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331020032213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331020032211) 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, 2312056 + ... + 2829777.

It is an arithmetic number, because the mean of its divisors is an integer number (221839286096).

Almost surely, 2^{1331020032213} is an apocalyptic number.

It is an amenable number.

1331020032213 is a deficient number, since it is larger than the sum of its proper divisors (443694256555).

1331020032213 is an equidigital number, since it uses as much as digits as its factorization.

1331020032213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228123.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1331020032213 its reverse (3122300201331), we get a palindrome (4453320233544).

The spelling of 1331020032213 in words is "one trillion, three hundred thirty-one billion, twenty million, thirty-two thousand, two hundred thirteen".