1051531343 has 2 divisors, whose sum is σ = 1051531344. Its totient is φ = 1051531342.

The previous prime is 1051531339. The next prime is 1051531361. The reversal of 1051531343 is 3431351501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051531343 - 2² = 1051531339 is a prime.

It is a super-2 number, since 2×1051531343² = 2211436330622767298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051531543) 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, 525765671 + 525765672.

It is an arithmetic number, because the mean of its divisors is an integer number (525765672).

Almost surely, 2^1051531343 is an apocalyptic number.

1051531343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051531343 is an equidigital number, since it uses as much as digits as its factorization.

1051531343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1051531343 is about 32427.3240184879. The cubic root of 1051531343 is about 1016.8902283718.

Adding to 1051531343 its reverse (3431351501), we get a palindrome (4482882844).

The spelling of 1051531343 in words is "one billion, fifty-one million, five hundred thirty-one thousand, three hundred forty-three".