1031211341 has 2 divisors, whose sum is σ = 1031211342. Its totient is φ = 1031211340.

The previous prime is 1031211331. The next prime is 1031211397. The reversal of 1031211341 is 1431121301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897901225 + 133310116 = 29965^2 + 11546^2 .

It is an emirp because it is prime and its reverse (1431121301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1031211341 - 2⁶ = 1031211277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031211331) 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, 515605670 + 515605671.

It is an arithmetic number, because the mean of its divisors is an integer number (515605671).

Almost surely, 2^1031211341 is an apocalyptic number.

It is an amenable number.

1031211341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031211341 is an equidigital number, since it uses as much as digits as its factorization.

1031211341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1031211341 is about 32112.4795212080. The cubic root of 1031211341 is about 1010.2973803272.

Adding to 1031211341 its reverse (1431121301), we get a palindrome (2462332642).

The spelling of 1031211341 in words is "one billion, thirty-one million, two hundred eleven thousand, three hundred forty-one".