1331320112213 has 16 divisors (see below), whose sum is σ = 1639499008896. Its totient is φ = 1052740704960.

The previous prime is 1331320112207. The next prime is 1331320112231. The reversal of 1331320112213 is 3122110231331.

It is a de Polignac number, because none of the positive numbers 2^k-1331320112213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331320112273) 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, 4088678 + ... + 4402263.

It is an arithmetic number, because the mean of its divisors is an integer number (102468688056).

Almost surely, 2^{1331320112213} is an apocalyptic number.

1331320112213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1331320112213 is a deficient number, since it is larger than the sum of its proper divisors (308178896683).

1331320112213 is a wasteful number, since it uses less digits than its factorization.

1331320112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8492684.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1331320112213 its reverse (3122110231331), we get a palindrome (4453430343544).

The spelling of 1331320112213 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, one hundred twelve thousand, two hundred thirteen".