1313232343 has 2 divisors, whose sum is σ = 1313232344. Its totient is φ = 1313232342.

The previous prime is 1313232313. The next prime is 1313232493. The reversal of 1313232343 is 3432323131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1313232343 - 2¹³ = 1313224151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313232313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656616171 + 656616172.

It is an arithmetic number, because the mean of its divisors is an integer number (656616172).

Almost surely, 2^1313232343 is an apocalyptic number.

1313232343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313232343 is an equidigital number, since it uses as much as digits as its factorization.

1313232343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 25.

The square root of 1313232343 is about 36238.5477495995. The cubic root of 1313232343 is about 1095.0833858505.

Adding to 1313232343 its reverse (3432323131), we get a palindrome (4745555474).

The spelling of 1313232343 in words is "one billion, three hundred thirteen million, two hundred thirty-two thousand, three hundred forty-three".