11020204331 has 2 divisors, whose sum is σ = 11020204332. Its totient is φ = 11020204330.

The previous prime is 11020204309. The next prime is 11020204361. The reversal of 11020204331 is 13340202011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11020204331 - 2¹⁸ = 11019942187 is a prime.

It is a super-2 number, since 2×11020204331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11020204361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510102165 + 5510102166.

It is an arithmetic number, because the mean of its divisors is an integer number (5510102166).

Almost surely, 2^11020204331 is an apocalyptic number.

11020204331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020204331 is an equidigital number, since it uses as much as digits as its factorization.

11020204331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11020204331 its reverse (13340202011), we get a palindrome (24360406342).

The spelling of 11020204331 in words is "eleven billion, twenty million, two hundred four thousand, three hundred thirty-one".