1310220343 has 2 divisors, whose sum is σ = 1310220344. Its totient is φ = 1310220342.

The previous prime is 1310220299. The next prime is 1310220347. The reversal of 1310220343 is 3430220131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310220343 is a prime.

It is a super-2 number, since 2×1310220343² = 3433354694422075298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1310220343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310220347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655110171 + 655110172.

It is an arithmetic number, because the mean of its divisors is an integer number (655110172).

Almost surely, 2^1310220343 is an apocalyptic number.

1310220343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310220343 is an equidigital number, since it uses as much as digits as its factorization.

1310220343 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1310220343 is about 36196.9659363875. The cubic root of 1310220343 is about 1094.2455254625.

Adding to 1310220343 its reverse (3430220131), we get a palindrome (4740440474).

The spelling of 1310220343 in words is "one billion, three hundred ten million, two hundred twenty thousand, three hundred forty-three".