2231101133213 has 2 divisors, whose sum is σ = 2231101133214. Its totient is φ = 2231101133212.

The previous prime is 2231101133197. The next prime is 2231101133237. The reversal of 2231101133213 is 3123311011322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2219927163364 + 11173969849 = 1489942^2 + 105707^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231101133213 - 2⁴ = 2231101133197 is a prime.

It is a super-3 number, since 3×2231101133213³ (a number of 38 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231101133713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115550566606 + 1115550566607.

It is an arithmetic number, because the mean of its divisors is an integer number (1115550566607).

Almost surely, 2^{2231101133213} is an apocalyptic number.

It is an amenable number.

2231101133213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231101133213 is an equidigital number, since it uses as much as digits as its factorization.

2231101133213 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2231101133213 its reverse (3123311011322), we get a palindrome (5354412144535).

The spelling of 2231101133213 in words is "two trillion, two hundred thirty-one billion, one hundred one million, one hundred thirty-three thousand, two hundred thirteen".