1043211311 has 2 divisors, whose sum is σ = 1043211312. Its totient is φ = 1043211310.

The previous prime is 1043211289. The next prime is 1043211317. The reversal of 1043211311 is 1131123401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043211311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043211311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043211317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521605655 + 521605656.

It is an arithmetic number, because the mean of its divisors is an integer number (521605656).

Almost surely, 2^1043211311 is an apocalyptic number.

1043211311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043211311 is an equidigital number, since it uses as much as digits as its factorization.

1043211311 is an evil number, because the sum of its binary digits is even.

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

The square root of 1043211311 is about 32298.7818810555. The cubic root of 1043211311 is about 1014.2011432051.

Adding to 1043211311 its reverse (1131123401), we get a palindrome (2174334712).

The spelling of 1043211311 in words is "one billion, forty-three million, two hundred eleven thousand, three hundred eleven".