2102344213391 has 2 divisors, whose sum is σ = 2102344213392. Its totient is φ = 2102344213390.

The previous prime is 2102344213367. The next prime is 2102344213393. The reversal of 2102344213391 is 1933124432012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102344213391 - 2³⁰ = 2101270471567 is a prime.

Together with 2102344213393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102344213393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051172106695 + 1051172106696.

It is an arithmetic number, because the mean of its divisors is an integer number (1051172106696).

Almost surely, 2^{2102344213391} is an apocalyptic number.

2102344213391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102344213391 is an equidigital number, since it uses as much as digits as its factorization.

2102344213391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 2102344213391 in words is "two trillion, one hundred two billion, three hundred forty-four million, two hundred thirteen thousand, three hundred ninety-one".