1105281343 has 2 divisors, whose sum is σ = 1105281344. Its totient is φ = 1105281342.

The previous prime is 1105281329. The next prime is 1105281371. The reversal of 1105281343 is 3431825011.

It is a happy number.

It is an a-pointer prime, because the next prime (1105281371) can be obtained adding 1105281343 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105281343 - 2⁵ = 1105281311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105285343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552640671 + 552640672.

It is an arithmetic number, because the mean of its divisors is an integer number (552640672).

Almost surely, 2^1105281343 is an apocalyptic number.

1105281343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105281343 is an equidigital number, since it uses as much as digits as its factorization.

1105281343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1105281343 is about 33245.7718063516. The cubic root of 1105281343 is about 1033.9295467961.

The spelling of 1105281343 in words is "one billion, one hundred five million, two hundred eighty-one thousand, three hundred forty-three".