1331301343 has 2 divisors, whose sum is σ = 1331301344. Its totient is φ = 1331301342.

The previous prime is 1331301337. The next prime is 1331301373. The reversal of 1331301343 is 3431031331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331301343 - 2¹³ = 1331293151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331301373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665650671 + 665650672.

It is an arithmetic number, because the mean of its divisors is an integer number (665650672).

Almost surely, 2^1331301343 is an apocalyptic number.

1331301343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331301343 is an equidigital number, since it uses as much as digits as its factorization.

1331301343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 1331301343 is about 36487.0023844108. The cubic root of 1331301343 is about 1100.0830083364.

Adding to 1331301343 its reverse (3431031331), we get a palindrome (4762332674).

The spelling of 1331301343 in words is "one billion, three hundred thirty-one million, three hundred one thousand, three hundred forty-three".