1331111114213 has 2 divisors, whose sum is σ = 1331111114214. Its totient is φ = 1331111114212.

The previous prime is 1331111114171. The next prime is 1331111114251. The reversal of 1331111114213 is 3124111111331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 946491602884 + 384619511329 = 972878^2 + 620177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331111114213 - 2²⁴ = 1331094336997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331111114513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665555557106 + 665555557107.

It is an arithmetic number, because the mean of its divisors is an integer number (665555557107).

Almost surely, 2^{1331111114213} is an apocalyptic number.

It is an amenable number.

1331111114213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331111114213 is an equidigital number, since it uses as much as digits as its factorization.

1331111114213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 23.

Adding to 1331111114213 its reverse (3124111111331), we get a palindrome (4455222225544).

The spelling of 1331111114213 in words is "one trillion, three hundred thirty-one billion, one hundred eleven million, one hundred fourteen thousand, two hundred thirteen".