1220103343 has 2 divisors, whose sum is σ = 1220103344. Its totient is φ = 1220103342.

The previous prime is 1220103323. The next prime is 1220103349. The reversal of 1220103343 is 3433010221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220103343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220103343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220103349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610051671 + 610051672.

It is an arithmetic number, because the mean of its divisors is an integer number (610051672).

Almost surely, 2^1220103343 is an apocalyptic number.

1220103343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220103343 is an equidigital number, since it uses as much as digits as its factorization.

1220103343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1220103343 is about 34929.9777125609. The cubic root of 1220103343 is about 1068.5599000806.

Adding to 1220103343 its reverse (3433010221), we get a palindrome (4653113564).

The spelling of 1220103343 in words is "one billion, two hundred twenty million, one hundred three thousand, three hundred forty-three".