1031353493 has 2 divisors, whose sum is σ = 1031353494. Its totient is φ = 1031353492.

The previous prime is 1031353481. The next prime is 1031353541. The reversal of 1031353493 is 3943531301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 662444644 + 368908849 = 25738^2 + 19207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031353493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031353693) 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, 515676746 + 515676747.

It is an arithmetic number, because the mean of its divisors is an integer number (515676747).

Almost surely, 2^1031353493 is an apocalyptic number.

It is an amenable number.

1031353493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031353493 is an equidigital number, since it uses as much as digits as its factorization.

1031353493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 1031353493 is about 32114.6927900611. The cubic root of 1031353493 is about 1010.3438012011.

Adding to 1031353493 its reverse (3943531301), we get a palindrome (4974884794).

The spelling of 1031353493 in words is "one billion, thirty-one million, three hundred fifty-three thousand, four hundred ninety-three".